Air Quality Trends in the US Cities

Here we have brought you the data about your air quality directly from the EPA (Environmental Protection Agency). You can check the the Air Quality in your city during past 16 years. We have tried our best to bring almost all US cities in this data. We have made it simple and user-friendly to extract the data of your choice. However the states shown in the list provided below are actually categorized according to Core-Based Statistical Area. We hope that you will find it easy and user friendly to access air pollution data of past 16 years.

CBSA			Pollutant	Trend Statistic	Number of Trends Sites	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016
10100	Aberdeen	SD	PM10	2nd Max	1	50	58	59	66	39	48	51	49	69	53	46	29	62	66	36	43	65
10100			PM25	Weighted Annual Mean	1	8.6	8.6	7.9	8.4	8.1	9	8.2	8	7.7	8.1	8.7	7.1	7.5	7.3	6.2	6.2	5.4
10100			PM25	98th Percentile	1	23	23	20	21	23	23	21	17	28	23	27	18	23	22	17	14	14
10300	Adrian	MI	O3	4th Max	1	0.082	0.086	0.089	0.088	0.074	0.082	0.074	0.081	0.072	0.067	0.066	0.076	0.087	0.064	0.068	0.065	0.069
10420	Akron	OH	CO	2nd Max	2	2.5	2.6	2	2.2	2.2	1.7	1.6	1.3	1.2	2	1.6	1.2	1.1	0.8	0.8	0.9	0.9
10420			O3	4th Max	2	0.085	0.096	0.1	0.09	0.079	0.091	0.074	0.087	0.075	0.067	0.074	0.073	0.072	0.059	0.06	0.065	0.06
10420			PM25	Weighted Annual Mean	3	16.2	16.2	16	14.1	13.8	15.7	12.8	14.1	12.9	11.7	12.4	11.1	10	9.7	9.9	10.4	8.2
10420			PM25	98th Percentile	3	37	44	40	34	35	43	31	31	33	26	32	25	19	24	22	23	17
10420			SO2	99th Percentile	1	163	132	145	167	172	140	138	46	34	31	27	24	22	23	21	14	8
10500	Albany	GA	PM25	Weighted Annual Mean	1	16.6	14.6	13.8	13.4	14.1	14.6	14.9	15	12.8	11.8	12.3	12.1	10.6	10	10.3	9	8.7
10500			PM25	98th Percentile	1	38	36	31	27	36	35	35	43	32	32	30	29	25	26	23	21	20
10580	Albany-Schenectady-Troy	NY	CO	2nd Max	1	1.1	1.2	1.5	1.5	1.1	1.4	1	0.9	0.9	0.8	0.9	0.9	0.7	0.8	0.7	0.8	0.8
10580			O3	4th Max	2	0.07	0.089	0.091	0.081	0.075	0.082	0.07	0.078	0.078	0.066	0.072	0.066	0.071	0.063	0.061	0.062	0.068
10580			PM25	Weighted Annual Mean	1	12.4	12.3	12.1	11.9	11	12.6	9.3	10.1	9.5	8.3	7.9	8.8	7.6	7.1	7.2	7.8	6.3
10580			PM25	98th Percentile	1	30	31	33	34	32	36	31	31	26	23	24	24	18	20	19	20	18
10580			SO2	99th Percentile	1	56	67	34	42	39	25	21	20	22	18	14	15	9	9	8	7	4
10740	Albuquerque	NM	CO	2nd Max	1	3.3	2.9	2.8	2.1	2.2	2	2	1.6	1.2	1.1	1.1	1.3	1.6	0.9	1.2	1.4	1.2
10740			NO2	Annual Mean	1	17	17	19	18	17	16	15	15	13	12	12	13	14	12	12	11	10
10740			NO2	98th Percentile	1	54	54	57	55	52	51	53	64	65	48	53	50	49	45	42	43	44
10740			O3	4th Max	3	0.072	0.071	0.074	0.076	0.071	0.073	0.071	0.069	0.064	0.064	0.066	0.069	0.07	0.067	0.062	0.066	0.065
10740			PM10	2nd Max	4	83.5	77	93.8	127.5	90	101.8	125.5	83.3	80.8	71	66.8	106.5	113.5	83	100.3	56.5	107.3
10740			PM25	Weighted Annual Mean	2	6.1	6	6.1	6.9	7.1	6.6	7.1	6.6	5.9	5.3	5.2	6.8	7.3	5.9	6	6	5.4
10740			PM25	98th Percentile	2	17	18	17	16	20	17	16	18	14	15	14	31	22	16	20	22	20
10900	Allentown-Bethlehem-Easton	PA-NJ	CO	2nd Max	1	2.3	2.4	1.8	1.4	1.7	1.9	0.9	2.4	1.6	1.7	1.1	1.1	1.4	1.1	1.1	1.1	1.1
10900			NO2	Annual Mean	1	17	16	13	13	14	15	12	12	12	11	11	11	9	9	10	9	9
10900			NO2	98th Percentile	1	61	54	46	45	44	53	45	44	41	42	41	46	32	37	46	46	46
10900			O3	4th Max	3	0.089	0.093	0.094	0.086	0.085	0.084	0.079	0.081	0.077	0.068	0.077	0.076	0.074	0.066	0.067	0.069	0.073
10900			PM10	2nd Max	2	77	89.5	98.5	81.5	80	96.5	70	57.5	79.5	46.5	51.5	55	40	47.5	43	43	39
10900			PM25	Weighted Annual Mean	2	13.8	14.5	14	13.9	13	13.9	12	13.1	11.7	10.2	11.5	12.1	10.3	9.5	9	9.2	8.4
10900			PM25	98th Percentile	2	38	39	43	36	35	35	35	36	30	28	30	32	25	27	25	26	23
10900			SO2	99th Percentile	1	67	67	64	63	92	90	256	215	47	46	57	30	20	20	20	20	19
11020	Altoona	PA	O3	4th Max	1	0.08	0.083	0.089	0.083	0.073	0.077	0.071	0.071	0.075	0.065	0.072	0.074	0.08	0.065	0.06	0.069	0.062
11020			PM10	2nd Max	1	50	76	67	95	63	74	63	68	53	39	52	44	40	36	34	34	34
11020			SO2	99th Percentile	1	62	68	51	62	61	72	48	56	55	51	36	32	28	29	30	31	13
11140	Americus	GA	O3	4th Max	1	0.092	0.082	0.07	0.072	0.07	0.071	0.077	0.076	0.068	0.06	0.069	0.066	0.065	0.06	0.059	0.057	0.065
11180	Ames	IA	O3	4th Max	1	0.07	0.058	0.064	0.058	0.053	0.065	0.061	0.073	0.058	0.057	0.061	0.062	0.064	0.061	0.062	0.059	0.06
11260	Anchorage	AK	CO	2nd Max	1	5.4	5.7	4.7	5.7	6.4	4.8	4.3	3.6	3.8	4.4	3.8	3.6	4.3	3.1	2.5	2.8	3
11260			PM10	2nd Max	1	125	100	36	122	97	111	79	48	87	29	45	34	31	26	43	43	43
11260			PM25	Weighted Annual Mean	2	5.8	6.2	5.8	6.6	6.9	6.7	6.9	5.2	5.9	7	6.8	5.8	6.2	5.6	7	6.5	6.1
11260			PM25	98th Percentile	2	20	25	25	23	30	22	33	17	24	29	31	24	31	22	29	28	23
11460	Ann Arbor	MI	O3	4th Max	1	0.078	0.092	0.091	0.091	0.071	0.083	0.076	0.077	0.069	0.065	0.066	0.077	0.085	0.065	0.07	0.064	0.069
11460			PM25	Weighted Annual Mean	1	14.3	14.4	14.9	14.6	12.7	15.6	12.6	13	11	9.9	9.2	9.6	9.1	8.6	9.7	9.4	7.9
11460			PM25	98th Percentile	1	30	40	31	39	32	52	31	35	28	28	23	24	23	19	25	26	18
11540	Appleton	WI	O3	4th Max	1	0.066	0.085	0.075	0.075	0.071	0.079	0.069	0.075	0.062	0.064	0.062	0.072	0.077	0.067	0.07	0.066	0.066
11540			PM25	Weighted Annual Mean	1	11.5	11.1	10.8	10.4	9.7	11.5	11.6	11.2	11.2	10.4	9.7	9.3	8.6	8	8.6	7.4	6.7
11540			PM25	98th Percentile	1	32	33	29	26	29	37	36	31	31	34	37	22	25	22	24	20	21
11700	Asheville	NC	O3	4th Max	3	0.087	0.08	0.091	0.077	0.072	0.082	0.074	0.076	0.077	0.065	0.073	0.068	0.069	0.064	0.065	0.066	0.065
11700			PM25	Weighted Annual Mean	1	15.4	13.5	13.8	12.6	12.3	13.1	12.4	12.2	9	8.4	10.2	9.2	8.6	8.1	7.9	7	8.5
11700			PM25	98th Percentile	1	34	31	31	31	27	32	31	28	23	18	20	19	16	16	14	14	40
11780	Ashtabula	OH	O3	4th Max	1	0.082	0.097	0.103	0.099	0.081	0.093	0.086	0.092	0.075	0.075	0.083	0.077	0.079	0.07	0.069	0.07	0.072
11780			SO2	99th Percentile	1	50	56	55	44	36	39	40	31	36	34	20	19	53	29	17	37	7
11900	Athens	OH	PM25	Weighted Annual Mean	1	12.4	12.4	12.7	12.3	11.4	13.3	11.8	13	11.1	9.1	8.9	8.7	8.7	8.1	7.8	7.6	6.2
11900			PM25	98th Percentile	1	32	32	33	29	33	33	30	37	27	18	18	19	16	16	18	18	11
11940	Athens	TN	SO2	99th Percentile	1	108	146	174	146	118	107	99	91	145	109	73	65	75	44	28	12	12
12020	Athens-Clarke County	GA	O3	4th Max	1	0.084	0.084	0.084	0.072	0.078	0.082	0.086	0.083	0.077	0.067	0.073	0.075	0.071	0.06	0.063	0.061	0.069
12060	Atlanta-Sandy Springs-Roswell	GA	CO	2nd Max	1	0.6	0.6	0.6	0.8	0.5	0.8	0.8	1.2	0.5	0.5	0.5	0.5	0.6	0.6	0.6	1	1
12060			NO2	Annual Mean	3	10	10	9	8	8	8	8	8	7	6	7	7	6	5	6	5	5
12060			NO2	98th Percentile	3	52	50	43	42	41	38	38	37	36	28	33	31	29	27	30	27	27
12060			O3	4th Max	10	0.1	0.085	0.097	0.083	0.081	0.085	0.092	0.091	0.08	0.072	0.074	0.078	0.077	0.065	0.069	0.069	0.072
12060			PM25	Weighted Annual Mean	5	18.4	16.7	15	15.4	15.7	15.8	15.9	15.1	12.8	11.1	12.3	11.6	10	9.2	9.8	8.7	8.7
12060			PM25	98th Percentile	5	47	38	32	36	35	35	32	34	27	24	23	24	19	19	20	17	18
12060			SO2	99th Percentile	1	50	54	56	53	56	60	62	58	45	31	33	25	10	9	6	4	6
12100	Atlantic City-Hammonton	NJ	PM25	Weighted Annual Mean	1	11.6	11.6	11.6	12	10.6	11.8	12.4	10.2	10.6	9	9.2	9.3	8.2	8.6	8.1	7.7	7.2
12100			PM25	98th Percentile	1	42	42	42	30	30	25	35	27	27	20	21	28	20	22	20	16	15
12260	Augusta-Richmond County	GA-SC	O3	4th Max	3	0.087	0.08	0.092	0.072	0.077	0.076	0.075	0.078	0.074	0.065	0.067	0.068	0.062	0.057	0.059	0.059	0.063
12260			PM10	2nd Max	1	48	49	53	60	48	47	48	54	61	43	42	34	26	28	40	30	35
12260			PM25	Weighted Annual Mean	2	16	13.8	13.4	13.5	14.3	14.8	14.7	13.7	12.7	10.9	11.3	11	9.6	9.1	9.6	8.4	9.4
12260			PM25	98th Percentile	2	35	28	28	31	36	33	28	32	25	22	24	25	19	20	18	17	27
12300	Augusta-Waterville	ME	O3	4th Max	1	0.063	0.084	0.088	0.069	0.071	0.07	0.065	0.079	0.068	0.066	0.059	0.063	0.064	0.065	0.057	0.063	0.059
12420	Austin-Round Rock	TX	CO	2nd Max	1	1.1	0.9	0.9	0.9	0.6	0.7	0.6	0.5	0.4	0.4	0.5	0.5	0.4	0.4	0.3	0.3	0.3
12420			O3	4th Max	2	0.088	0.079	0.086	0.083	0.081	0.081	0.083	0.073	0.072	0.073	0.072	0.074	0.075	0.07	0.063	0.073	0.063
12420			PM10	2nd Max	1	50	37	43	53	44	33	32	41	35	41	34	33	28	57	78	53	72
12540	Bakersfield	CA	NO2	Annual Mean	3	18	18	17	17	16	15	16	14	13	12	11	11	12	11	10	9	9
12540			NO2	98th Percentile	3	61	69	64	62	56	55	60	56	53	46	47	44	46	46	44	40	38
12540			O3	4th Max	6	0.098	0.099	0.102	0.099	0.089	0.093	0.098	0.086	0.097	0.087	0.089	0.088	0.085	0.08	0.083	0.084	0.082
12540			PM10	2nd Max	3	95.7	123.7	82.7	86	67.3	75.7	111.7	83.3	92.7	77.7	68.7	68.3	71.3	91.7	159.8	73.7	71
12540			PM25	Weighted Annual Mean	3	16.3	16	18	13.8	14.1	14.5	14.5	16.7	17.4	15.6	12.1	12.3	11.4	17.1	15.3	13	12.7
12540			PM25	98th Percentile	3	61	66	56	37	41	48	46	55	52	48	40	42	40	67	61	42	39
12580	Baltimore-Columbia-Towson	MD	CO	2nd Max	2	2.9	2.9	2.8	2.6	2.8	2.7	2.4	2.2	1.9	1.9	1.7	1.6	1.6	1.4	1.2	1.7	1.7
12580			NO2	Annual Mean	2	20	21	21	22	19	18	17	17	16	15	15	15	14	13	13	14	13
12580			NO2	98th Percentile	1	65	68	70	76	58	74	63	58	52	59	61	54	56	47	52	53	55
12580			O3	4th Max	6	0.09	0.098	0.107	0.083	0.082	0.089	0.089	0.086	0.084	0.072	0.085	0.087	0.083	0.069	0.067	0.073	0.075
12580			PM25	Weighted Annual Mean	7	15.8	15.5	14.9	14.6	14.9	15.5	13.5	13.6	12.3	10.6	10.7	10.5	10	9.2	9.3	9.4	7.8
12580			PM25	98th Percentile	7	37	39	44	38	35	37	33	34	31	25	26	25	23	24	22	25	20
12620	Bangor	ME	O3	4th Max	1	0.061	0.088	0.089	0.073	0.065	0.067	0.064	0.074	0.062	0.057	0.059	0.055	0.058	0.064	0.054	0.063	0.057
12660	Baraboo	WI	O3	4th Max	1	0.073	0.074	0.073	0.074	0.065	0.076	0.064	0.07	0.061	0.062	0.06	0.065	0.073	0.063	0.064	0.063	0.066
12700	Barnstable Town	MA	O3	4th Max	1	0.083	0.105	0.093	0.089	0.083	0.088	0.082	0.082	0.075	0.071	0.078	0.068	0.079	0.071	0.059	0.071	0.065
12940	Baton Rouge	LA	CO	2nd Max	1	3.6	4.8	3.7	3.1	2.7	2.1	3.3	1.6	1.8	1.1	2	1.4	1.7	1.8	1.3	1.2	1.1
12940			NO2	Annual Mean	7	11	11	10	10	9	10	9	9	8	8	7	7	7	7	6	6	7
12940			NO2	98th Percentile	7	47	47	42	43	41	41	41	40	38	36	37	35	33	32	32	30	31
12940			O3	4th Max	9	0.092	0.079	0.076	0.086	0.08	0.084	0.085	0.081	0.073	0.075	0.075	0.079	0.073	0.065	0.069	0.07	0.066
12940			PM25	Weighted Annual Mean	4	13.5	12.8	11.7	12.3	11.9	13.3	13.2	11.8	11	9.5	10.3	10.2	9.4	8.4	8.6	8.5	8.7
12940			PM25	98th Percentile	4	33	31	23	27	28	28	32	24	22	19	20	22	21	19	18	19	19
12940			SO2	99th Percentile	2	104	100	99	81	102	117	100	102	97	103	64	40	32	24	21	19	17
13020	Bay City	MI	PM25	Weighted Annual Mean	1	11.5	11.5	11.2	10.9	9.8	12.4	10.2	10.2	8.9	8.1	8.2	7.7	7.7	7.5	8.2	7.7	6.8
13020			PM25	98th Percentile	1	34	34	32	27	28	41	28	25	24	23	31	21	22	16	21	23	20
13140	Beaumont-Port Arthur	TX	NO2	Annual Mean	3	7	8	7	7	7	7	7	6	6	5	6	6	5	5	4	4	4
13140			NO2	98th Percentile	3	41	43	38	37	37	37	35	35	35	32	34	33	29	28	29	26	28
13140			O3	4th Max	7	0.087	0.081	0.079	0.083	0.081	0.08	0.081	0.077	0.07	0.071	0.075	0.076	0.071	0.064	0.065	0.067	0.063
13140			SO2	99th Percentile	2	135	91	79	78	80	79	161	87	72	82	75	44	50	34	36	38	42
13380	Bellingham	WA	O3	4th Max	1	0.052	0.05	0.053	0.056	0.062	0.055	0.055	0.052	0.049	0.046	0.048	0.043	0.047	0.043	0.046	0.048	0.045
13540	Bennington	VT	O3	4th Max	1	0.071	0.083	0.086	0.073	0.074	0.073	0.068	0.077	0.069	0.068	0.068	0.059	0.067	0.062	0.061	0.063	0.067
13620	Berlin	NH-VT	O3	4th Max	2	0.063	0.078	0.077	0.07	0.074	0.074	0.064	0.073	0.07	0.063	0.066	0.064	0.068	0.065	0.06	0.065	0.065
13740	Billings	MT	SO2	99th Percentile	2	98	100	101	105	89	59	51	64	58	49	88	70	56	39	68	46	31
13820	Birmingham-Hoover	AL	CO	2nd Max	2	10	15.3	7.7	3.8	6.1	5.7	6.3	5.3	5.2	4.8	1.7	1.5	1.4	1.2	1.6	1.5	1.2
13820			O3	4th Max	8	0.087	0.081	0.083	0.075	0.073	0.081	0.084	0.091	0.077	0.066	0.074	0.078	0.077	0.064	0.063	0.067	0.069
13820			PM10	2nd Max	6	113.5	88.3	78.8	87	85.2	82.5	76.7	96.3	69	56.5	65.7	53	44.8	40.8	61.7	54	44.7
13820			PM25	Weighted Annual Mean	4	19.2	16.7	15.7	15.5	15.5	17.2	16.5	16.7	13.4	10.8	12.3	12	10.7	9.7	10.6	10.1	9.2
13820			PM25	98th Percentile	4	45	37	35	35	38	41	36	44	29	23	24	26	21	19	22	20	18
13820			SO2	99th Percentile	1	149	63	50	53	56	70	70	50	69	41	33	31	36	22	17	17	11
13860	Bishop	CA	O3	4th Max	1	0.079	0.081	0.083	0.08	0.079	0.085	0.082	0.085	0.077	0.07	0.069	0.075	0.073	0.07	0.069	0.071	0.072
13860			PM10	2nd Max	5	1750.6	2687.8	1606.4	2127.8	1428	1020.2	1342	176.2	336.4	272.4	504.2	454.8	366.4	273.1	255.9	221.4	220.6
13860			PM25	Weighted Annual Mean	1	5.5	5.5	8.2	4.9	5.2	4.6	6.1	5.8	7.1	6.8	7	8.1	6.6	8	7.9	7	6.6
13860			PM25	98th Percentile	1	23	23	62	15	22	13	22	35	44	36	28	44	28	39	29	24	25
13900	Bismarck	ND	NO2	Annual Mean	1	2	3	2	2	2	2	2	2	2	2	2	1	2	2	2	2	2
13900			O3	4th Max	1	0.055	0.057	0.058	0.062	0.05	0.057	0.064	0.059	0.06	0.057	0.061	0.058	0.057	0.061	0.06	0.064	0.054
13900			PM25	Weighted Annual Mean	1	6.6	6.7	6.4	7.2	6.2	6.5	6.8	6.8	7	6.5	7.8	6.3	6.3	5.9	4.9	5	4.6
13900			PM25	98th Percentile	1	14	17	16	16	18	17	21	14	14	17	19	13	16	15	13	27	17
13900			SO2	99th Percentile	1	65	62	59	69	69	61	45	63	55	42	59	52	40	24	9	9	11
14010	Bloomington	IL	O3	4th Max	1	0.072	0.072	0.085	0.074	0.068	0.077	0.072	0.075	0.067	0.071	0.066	0.068	0.079	0.069	0.066	0.063	0.065
14020	Bloomington	IN	O3	4th Max	1	0.09	0.085	0.093	0.088	0.073	0.079	0.076	0.084	0.072	0.068	0.074	0.08	0.082	0.068	0.064	0.067	0.069
14260	Boise City	ID	CO	2nd Max	1	3.1	3.2	3.1	3.2	2.4	2.2	2.1	1.6	2.9	3.3	2.3	1.6	1.6	1.4	2.1	2.5	2.5
14260			PM10	2nd Max	2	88.5	100	112.5	87.5	62	90.5	92	80	83.5	76	60.5	132	166.5	94.5	60.5	79.5	66
14380	Boone	NC	PM25	Weighted Annual Mean	1	11.7	11.7	11.7	11.2	11.7	13.3	11.2	11.6	9.2	7.9	8.8	8.1	7.5	7.1	7.2	5.8	5.8
14380			PM25	98th Percentile	1	32	32	32	29	27	35	29	27	18	17	16	20	14	14	14	16	16
14460	Boston-Cambridge-Newton	MA-NH	CO	2nd Max	2	2.6	2.5	1.9	2	1.4	1.9	1.6	1.2	1.1	1.1	1.4	1.3	1.3	1	1	0.9	1.1
14460			NO2	Annual Mean	3	22	22	20	19	17	17	17	16	17	15	14	16	14	14	13	13	11
14460			NO2	98th Percentile	3	61	61	57	55	52	52	49	50	51	50	49	51	45	46	47	50	43
14460			O3	4th Max	4	0.078	0.095	0.096	0.08	0.076	0.082	0.077	0.08	0.072	0.07	0.07	0.067	0.069	0.069	0.061	0.062	0.064
14460			PM25	Weighted Annual Mean	8	12.3	12.4	11.5	11.1	11.2	10.9	9.7	10.2	9.7	8.7	8.2	8.6	8.2	7.4	6.3	6.5	5.8
14460			PM25	98th Percentile	8	31	32	35	32	28	29	27	29	25	22	22	21	21	17	15	16	14
14460			SO2	99th Percentile	2	49	41	35	35	34	33	23	26	23	23	20	22	13	12	11	7	4
14500	Boulder	CO	O3	4th Max	1	0.072	0.071	0.078	0.082	0.068	0.076	0.082	0.085	0.076	0.073	0.072	0.076	0.076	0.079	0.07	0.074	0.074
14500			PM10	2nd Max	2	53.5	47.5	45.5	38	50.5	39	34.5	53.5	45	36.5	35.5	32	42.5	47.5	53.5	44.5	39
14500			PM25	Weighted Annual Mean	2	8.8	9.1	8.6	8.3	7.6	7.5	7.3	8.1	7.1	6.9	6.8	6.1	6.7	6.5	6.8	6	6
14500			PM25	98th Percentile	2	20	23	23	24	20	18	18	27	20	17	23	16	22	20	21	21	21
14540	Bowling Green	KY	O3	4th Max	1	0.088	0.08	0.085	0.076	0.07	0.075	0.071	0.082	0.07	0.065	0.075	0.071	0.081	0.063	0.065	0.063	0.065
14860	Bridgeport-Stamford-Norwalk	CT	NO2	Annual Mean	1	18	21	19	16	14	15	14	14	12	10	10	11	8	9	9	9	9
14860			NO2	98th Percentile	1	62	75	72	61	53	60	53	57	52	48	50	44	38	44	48	48	48
14860			O3	4th Max	4	0.087	0.098	0.106	0.096	0.081	0.094	0.092	0.088	0.086	0.072	0.08	0.085	0.088	0.084	0.077	0.084	0.083
14860			PM10	2nd Max	1	51	48	45	49	38	41	60	43	49	42	40	31	34	36	35	46	30
14860			PM25	Weighted Annual Mean	3	13.2	13	12.9	12.5	11.7	13.4	11.9	11.8	11.3	9.2	8.8	9.7	8.6	8.1	8.5	8.8	8.5
14860			PM25	98th Percentile	3	36	37	34	40	31	36	34	30	30	28	24	26	21	24	23	24	23
14860			SO2	99th Percentile	1	45	65	47	47	36	42	37	28	23	22	18	21	11	11	8	7	3
15100	Brookings	SD	PM25	Weighted Annual Mean	1	8.9	9.4	9.1	10.3	9.3	9.7	8.9	8.7	8	8.6	8.6	7.9	8.6	8.2	7.7	7.7	7.7
15100			PM25	98th Percentile	1	28	21	25	27	24	24	22	21	19	26	26	18	21	23	18	18	18
15180	Brownsville-Harlingen	TX	CO	2nd Max	1	1.6	1.5	1.9	1.9	2.1	1.7	1.1	1.1	0.8	0.8	0.8	0.9	0.5	0.8	0.7	1	0.7
15180			O3	4th Max	1	0.064	0.063	0.065	0.068	0.07	0.067	0.065	0.058	0.069	0.06	0.068	0.066	0.058	0.058	0.06	0.06	0.052
15180			Pb	rqmax	1	0.01	0.01	0.01	0.01	0.01	0	0.01	0.01	0.01	0.01	0	0.01	0.01	0	0.01	0	0
15260	Brunswick	GA	O3	4th Max	1	0.073	0.07	0.076	0.069	0.073	0.064	0.069	0.062	0.067	0.057	0.066	0.062	0.057	0.057	0.057	0.055	0.057
15260			PM25	Weighted Annual Mean	1	14.4	12.1	10.9	11.7	12.4	12.8	11.6	12.1	9.9	9.7	10.6	8.9	7.5	8.2	8.6	7.3	7.9
15260			PM25	98th Percentile	1	31	27	23	23	28	26	26	42	23	26	22	27	15	19	21	16	34
15380	Buffalo-Cheektowaga-Niagara Falls	NY	CO	2nd Max	1	2	1.9	1.8	2.4	1.4	1.6	1.7	1.1	1	1.1	1.3	1.4	1.1	1.3	1.3	1.5	0.9
15380			NO2	Annual Mean	1	22	21	20	20	18	19	16	16	15	14	13	13	10	10	9	11	10
15380			O3	4th Max	2	0.083	0.099	0.102	0.092	0.078	0.09	0.079	0.084	0.075	0.066	0.072	0.071	0.081	0.068	0.062	0.069	0.072
15380			PM25	Weighted Annual Mean	1	14.7	14.6	13.7	13.7	12.9	14.7	10.7	11.9	10.7	9.6	10	9.6	9.4	8	8.8	8.8	6.8
15380			PM25	98th Percentile	1	31	41	43	39	33	40	28	35	27	24	28	25	23	20	19	23	15
15380			SO2	99th Percentile	1	81	69	50	63	44	37	28	27	20	20	15	22	14	11	8	11	7
15500	Burlington	NC	PM25	Weighted Annual Mean	1	15.6	14	13.5	13.7	13.9	14.6	13.5	13.1	12	9.6	11.1	9.5	8.5	8.6	8.1	8.1	8.1
15500			PM25	98th Percentile	1	34	37	29	31	31	35	29	32	25	20	20	21	18	21	16	16	16
15540	Burlington-South Burlington	VT	O3	4th Max	1	0.071	0.076	0.084	0.074	0.071	0.069	0.065	0.077	0.07	0.061	0.063	0.058	0.065	0.062	0.059	0.066	0.063
15540			PM25	Weighted Annual Mean	1	8.3	9.7	9.9	9.3	9.4	9.9	8.3	8.9	7.6	7	7.2	7.6	6.9	6.3	6.6	6	5.4
15540			PM25	98th Percentile	1	23	30	38	27	32	31	28	28	22	17	25	22	17	15	17	15	13
15580	Butte-Silver Bow	MT	PM10	2nd Max	1	153	69	39	60	60	73	97	160	91	110	82	73	136	77	57	115	51
15580			PM25	Weighted Annual Mean	1	13.5	7	6.8	9.7	8.5	10.3	10.8	12.8	10.1	9.8	9.7	9.9	11.2	9.6	9.1	10.5	7.3
15580			PM25	98th Percentile	1	63	22	27	44	30	36	39	48	32	39	42	35	48	35	29	44	28
15620	Cadillac	MI	O3	4th Max	1	0.073	0.084	0.077	0.082	0.071	0.074	0.073	0.076	0.066	0.065	0.065	0.067	0.078	0.065	0.063	0.064	0.074
15940	Canton-Massillon	OH	CO	2nd Max	1	2.6	2.6	2.8	2.2	2.6	2.7	2.2	1.7	2.5	1.4	1.5	1.6	1.6	0.9	1.1	1.4	1.4
15940			O3	4th Max	2	0.084	0.089	0.096	0.087	0.075	0.081	0.077	0.086	0.077	0.064	0.079	0.079	0.074	0.069	0.063	0.07	0.072
15940			PM25	Weighted Annual Mean	1	18.6	17.8	17.4	16.8	15.5	17.8	14.6	14.1	13.6	13.1	14.4	12.8	11.9	11.6	11.7	11.4	9.3
15940			PM25	98th Percentile	1	40	45	41	34	36	48	32	31	31	30	33	28	25	28	25	26	20
15980	Cape Coral-Fort Myers	FL	O3	4th Max	2	0.071	0.067	0.062	0.074	0.072	0.07	0.07	0.069	0.068	0.062	0.064	0.062	0.063	0.065	0.062	0.058	0.059
15980			PM10	2nd Max	1	42	42	36	47	56	49	81	47	48	40	67	35	57	49	49	43	35
15980			PM25	Weighted Annual Mean	1	9.5	9.2	7.8	8	8.4	8.6	8.2	8.2	7.1	6.5	7	6.8	6.6	5.9	6	5.8	5.7
15980			PM25	98th Percentile	1	25	22	16	16	18	19	18	19	15	13	13	14	15	15	13	13	12
16100	Carlsbad-Artesia	NM	NO2	Annual Mean	1	6	4	4	4	4	3	3	3	3	3	2	3	2	2	3	2	2
16100			O3	4th Max	1	0.069	0.066	0.076	0.065	0.065	0.067	0.076	0.066	0.067	0.066	0.07	0.071	0.073	0.069	0.072	0.067	0.063
16300	Cedar Rapids	IA	O3	4th Max	2	0.072	0.069	0.071	0.068	0.063	0.073	0.065	0.076	0.063	0.061	0.064	0.064	0.071	0.06	0.06	0.062	0.063
16540	Chambersburg-Waynesboro	PA	O3	4th Max	1	0.085	0.095	0.104	0.08	0.071	0.074	0.066	0.077	0.073	0.059	0.07	0.067	0.067	0.071	0.063	0.059	0.06
16620	Charleston	WV	O3	4th Max	1	0.085	0.083	0.087	0.088	0.069	0.079	0.077	0.082	0.076	0.062	0.07	0.08	0.073	0.067	0.067	0.067	0.067
16620			PM10	2nd Max	1	60	60	60	59	49	57	78	53	50	48	49	45	29	30	23	34	34
16620			PM25	Weighted Annual Mean	2	17.3	17.3	16.3	15.4	15.1	17	14.9	16	13.5	11.7	12.4	11.3	10.3	9.2	9.4	8.6	8.1
16620			PM25	98th Percentile	2	39	42	37	36	32	37	37	35	33	24	24	26	21	18	18	19	18
16620			SO2	99th Percentile	1	104	104	87	85	94	78	90	96	76	63	51	45	38	42	47	34	34
16700	Charleston-North Charleston	SC	NO2	Annual Mean	1	11	11	10	10	10	10	9	8	9	8	8	7	7	7	7	6	5
16700			O3	4th Max	2	0.078	0.07	0.075	0.072	0.072	0.073	0.071	0.065	0.069	0.059	0.067	0.066	0.063	0.059	0.06	0.054	0.058
16700			PM10	2nd Max	1	52	63	39	43	45	48	37	57	34	43	49	52	41	34	30	39	66
16700			PM25	Weighted Annual Mean	2	13.4	11.7	11.3	10.8	12.1	12.7	11.6	10.7	9.7	8.8	9.3	9.9	8.1	7.6	8.4	6.9	7.5
16700			PM25	98th Percentile	2	31	26	26	22	28	33	23	26	22	18	22	26	18	16	16	15	15
16700			SO2	99th Percentile	2	30	26	33	31	37	36	31	25	35	21	17	12	10	9	8	7	7
16740	Charlotte-Concord-Gastonia	NC-SC	NO2	Annual Mean	1	18	17	15	16	15	15	13	14	11	10	12	10	9	8	9	8	8
16740			NO2	98th Percentile	1	65	61	57	56	53	52	53	54	50	44	50	42	41	39	41	37	38
16740			O3	4th Max	7	0.09	0.091	0.1	0.085	0.078	0.085	0.084	0.088	0.081	0.068	0.075	0.078	0.076	0.063	0.064	0.067	0.067
16740			PM10	2nd Max	1	62	58	44	52	42	47	46	46	45	38	48	43	30	34	38	35	31
16740			PM25	Weighted Annual Mean	3	15.7	14.4	14.1	13.9	14.5	15.3	14.5	13.7	12.6	10.4	11.4	10.8	9.3	8.8	8.7	8.5	8.5
16740			PM25	98th Percentile	3	30	29	30	28	30	34	31	29	24	21	23	25	19	18	19	16	19
16860	Chattanooga	TN-GA	O3	4th Max	1	0.098	0.082	0.099	0.08	0.076	0.077	0.088	0.085	0.076	0.066	0.076	0.074	0.077	0.061	0.064	0.068	0.065
16860			PM10	2nd Max	1	67	64	46	49	41	45	43	44	35	22	38	33	28	31	23	23	23
16860			PM25	Weighted Annual Mean	3	17.6	16.2	15.4	15.8	15	16.1	14.8	14.8	12.5	10.6	10.8	11	10.2	9.4	9.6	8.6	8.7
16860			PM25	98th Percentile	3	44	37	34	38	29	35	33	32	28	23	23	24	18	21	20	17	16
16940	Cheyenne	WY	PM25	Weighted Annual Mean	1	5.6	5	4.7	4.9	5	4.1	4.3	4.3	4.4	3.9	4.2	4.4	5.7	4.3	4.1	4.1	4
16940			PM25	98th Percentile	1	13	12	14	13	16	9	13	9	10	9	9	9	17	11	13	25	13
16980	Chicago-Naperville-Elgin	IL-IN-WI	CO	2nd Max	1	3.2	3.2	2.6	3.4	2.7	2.3	2.4	3	3	2.2	2.4	2.3	1.9	1.4	1.9	2.1	1.1
16980			NO2	Annual Mean	5	26	26	25	26	24	24	23	23	22	20	20	18	17	17	17	15	14
16980			NO2	98th Percentile	3	77	77	80	76	70	76	62	69	65	61	60	61	62	62	63	56	60
16980			O3	4th Max	18	0.075	0.082	0.093	0.077	0.068	0.083	0.069	0.079	0.064	0.065	0.069	0.071	0.081	0.066	0.068	0.066	0.074
16980			PM10	2nd Max	6	74.5	79.5	75.8	76.5	104.8	97.5	70	85.3	73.5	53.5	58.3	63.8	86.8	78.7	68.3	93.2	73.8
16980			PM25	Weighted Annual Mean	4	14.2	14.6	13.8	13.2	12.3	14.6	12.5	14	11.6	11.4	11.4	10.6	10.2	10	10.4	9.5	8
16980			PM25	98th Percentile	4	32	36	34	31	30	38	28	35	27	29	28	25	27	20	25	24	18
16980			Pb	rqmax	2	0.1	0.03	0.04	0.03	0.04	0.04	0.03	0.04	0.04	0.03	0.05	0.04	0.05	0.04	0.04	0.03	0.02
16980			SO2	99th Percentile	6	77	77	61	60	65	82	66	63	65	63	50	48	46	38	25	24	20
17020	Chico	CA	O3	4th Max	1	0.088	0.088	0.094	0.086	0.084	0.081	0.089	0.083	0.084	0.079	0.076	0.077	0.078	0.071	0.074	0.075	0.077
17140	Cincinnati	OH-KY-IN	NO2	Annual Mean	1	22	21	21	22	19	21	18	17	16	14	15	13	12	12	11	11	9
17140			NO2	98th Percentile	1	61	65	72	61	57	69	56	56	58	50	54	46	46	45	45	45	41
17140			O3	4th Max	6	0.082	0.083	0.097	0.088	0.075	0.085	0.078	0.086	0.075	0.07	0.076	0.08	0.083	0.066	0.069	0.069	0.073
17140			PM10	2nd Max	5	60.4	56.4	49.2	47.2	49.3	51.1	49	48.4	42.4	39.8	48	43.6	37.6	36.8	35.2	40	40.6
17140			PM25	Weighted Annual Mean	5	17.3	16.9	16.4	16.1	15	17.7	14.4	15.6	13.9	13.1	13.9	12.8	11.3	11.1	11	10	9.6
17140			PM25	98th Percentile	5	41	43	39	35	35	41	34	36	29	27	32	29	22	25	24	22	20
17220	Clarksburg	WV	PM25	Weighted Annual Mean	1	14.9	14.4	14	13.4	13.3	14.9	13.6	14.1	12.6	10.8	12	10.8	9.7	8.8	8.7	8.9	7.5
17220			PM25	98th Percentile	1	31	40	38	29	35	34	35	32	27	20	22	21	20	19	18	20	17
17300	Clarksville	TN-KY	PM10	2nd Max	1	50	36	40	39	31	46	49	50	38	28	34	41	29	26	26	31	31
17300			PM25	Weighted Annual Mean	1	15.6	13.5	13.1	13.9	11.8	14	12.6	14	11.9	10.7	11.2	11.2	9.9	9.8	10.1	9.1	8.3
17300			PM25	98th Percentile	1	38	27	29	37	26	35	30	36	27	24	22	23	20	22	23	22	17
17300			SO2	99th Percentile	2	42	79	36	54	40	64	108	81	22	18	51	48	42	22	26	27	27
17340	Clearlake	CA	O3	4th Max	1	0.062	0.06	0.072	0.061	0.062	0.061	0.062	0.057	0.068	0.061	0.056	0.055	0.065	0.059	0.06	0.058	0.057
17340			PM25	Weighted Annual Mean	1	4.4	4.2	6.4	4.4	4.4	4.8	5.2	3.4	7.4	3.4	3.1	3.5	3.9	3.9	4.1	3.8	3
17340			PM25	98th Percentile	1	9	11	46	15	9	11	21	9	59	8	6	8	14	8	14	7	9
17380	Cleveland	MS	O3	4th Max	1	0.082	0.076	0.074	0.075	0.071	0.074	0.079	0.077	0.065	0.066	0.073	0.073	0.076	0.065	0.06	0.063	0.064
17420	Cleveland	TN	SO2	99th Percentile	1	92	127	124	110	95	81	107	68	161	132	102	50	37	33	23	20	20
17460	Cleveland-Elyria	OH	CO	2nd Max	2	4.7	2.1	2.2	2.7	3.4	2.1	2.7	2.2	3.6	3.8	2.5	2.2	2.8	3.1	2.3	2	2.7
17460			NO2	Annual Mean	1	23	24	22	22	22	22	18	20	17	17	16	15	14	13	12	13	11
17460			NO2	98th Percentile	1	61	76	73	68	70	68	58	61	58	58	58	50	48	53	48	50	50
17460			O3	4th Max	5	0.075	0.088	0.1	0.087	0.07	0.083	0.075	0.077	0.079	0.068	0.077	0.076	0.085	0.067	0.066	0.07	0.072
17460			PM10	2nd Max	7	65.1	65.6	64.1	63.4	58.3	72.6	51.6	63.1	60.9	47.4	53	56.6	63.7	46.3	45	46.9	50.7
17460			PM25	Weighted Annual Mean	7	17.3	16.5	15.8	15.1	14.6	17.8	13.6	14.7	13	11.5	12.4	11.4	11	10.6	11	10.5	8.9
17460			PM25	98th Percentile	7	40	42	38	39	36	45	31	37	34	25	28	25	25	24	25	25	18
17460			SO2	99th Percentile	5	71	64	53	66	55	75	77	70	57	49	49	56	79	42	50	83	98
17540	Clinton	IA	O3	4th Max	1	0.077	0.079	0.08	0.075	0.066	0.078	0.065	0.074	0.063	0.064	0.064	0.066	0.076	0.062	0.065	0.061	0.063
17540			PM25	Weighted Annual Mean	1	12	12.5	11.8	12.4	11.3	13.9	11.9	12.1	11	11	11.9	10.5	9.7	9.5	9.3	9.1	7.7
17540			PM25	98th Percentile	1	29	33	29	34	35	40	27	30	28	27	34	26	23	23	25	23	18
17540			SO2	99th Percentile	1	82	36	24	30	29	53	50	42	29	44	31	18	60	35	22	33	31
17820	Colorado Springs	CO	O3	4th Max	1	0.07	0.07	0.072	0.077	0.07	0.077	0.072	0.072	0.07	0.06	0.068	0.074	0.075	0.074	0.064	0.067	0.069
17900	Columbia	SC	O3	4th Max	3	0.087	0.084	0.086	0.077	0.077	0.082	0.077	0.077	0.076	0.063	0.069	0.073	0.062	0.056	0.059	0.058	0.064
17900			PM25	Weighted Annual Mean	3	16	13.8	13.2	12.7	14.2	14.7	14.5	13.4	12.2	10.9	11.2	11.2	9.4	9	9.6	8.4	8.8
17900			PM25	98th Percentile	3	32	26	30	29	34	35	30	30	23	22	23	25	18	19	18	17	21
17980	Columbus	GA-AL	O3	4th Max	1	0.087	0.073	0.079	0.07	0.068	0.078	0.08	0.083	0.073	0.065	0.068	0.068	0.066	0.06	0.061	0.062	0.065
17980			PM25	Weighted Annual Mean	3	18.2	15.9	14.4	14.3	15.1	14.7	15.3	15.3	13.1	11.1	13.5	12	10.9	9.8	10.3	9.1	9.3
17980			PM25	98th Percentile	3	41	38	32	31	38	32	29	42	32	24	27	27	25	23	19	19	23
18140	Columbus	OH	CO	2nd Max	1	2.8	2.6	2.5	3	2.6	2	2.1	1.6	1.6	1.5	1.7	1.5	1.6	1	1.3	1.5	1.8
18140			O3	4th Max	6	0.085	0.085	0.098	0.088	0.075	0.085	0.077	0.081	0.073	0.07	0.074	0.078	0.079	0.068	0.068	0.067	0.069
18140			PM10	2nd Max	1	73	68	77	76	77	85	55	76	79	49	126	71	62	41	46	51	52
18140			PM25	Weighted Annual Mean	2	18	17.3	16	15.6	14.3	15.5	13.7	13.9	11.9	11.2	12.5	11.4	10.4	10	10.2	9.9	8.3
18140			PM25	98th Percentile	2	38	41	39	36	35	40	34	34	27	24	30	23	21	24	22	22	17
18500	Corning	NY	PM25	Weighted Annual Mean	1	9.1	10.2	10.4	9.5	8.9	9.8	8.2	8.1	8	6.9	7.2	7	6.8	5.7	5.6	5.7	4.6
18500			PM25	98th Percentile	1	27	29	37	26	29	29	26	27	22	18	21	20	19	15	15	15	11
18580	Corpus Christi	TX	O3	4th Max	2	0.082	0.075	0.081	0.08	0.074	0.068	0.07	0.069	0.072	0.066	0.073	0.077	0.067	0.066	0.066	0.064	0.062
18580			PM25	Weighted Annual Mean	2	10.1	10.1	9.8	9.9	8.6	10.4	10.6	10.6	9.7	9.8	9.8	9.9	10.1	9.5	9.5	9.9	8.8
18580			PM25	98th Percentile	2	23	23	24	25	18	25	26	26	21	24	22	23	33	27	22	25	25
18580			SO2	99th Percentile	3	40	46	42	43	38	30	21	17	24	13	22	12	7	4	4	3	4
19000	Cullowhee	NC	O3	4th Max	1	0.085	0.084	0.091	0.079	0.07	0.076	0.081	0.08	0.072	0.063	0.069	0.071	0.072	0.068	0.068	0.068	0.071
19000			PM25	Weighted Annual Mean	1	14	14	13.1	11.7	11.1	12.9	11.8	12.6	10.2	8.5	10.2	9.5	8	7.4	7.4	7	9.4
19000			PM25	98th Percentile	1	37	37	28	28	22	26	25	29	24	16	20	20	14	14	16	15	55
19100	Dallas-Fort Worth-Arlington	TX	CO	2nd Max	2	1.9	1.9	1.9	1.6	1.6	2	1.3	1.1	1.2	1.1	1	1	1.1	1	0.8	0.8	0.8
19100			NO2	Annual Mean	8	12	12	12	12	11	12	11	11	10	8	9	8	8	7	7	6	6
19100			NO2	98th Percentile	7	52	51	49	48	46	47	47	44	44	41	43	44	42	41	39	39	37
19100			O3	4th Max	15	0.09	0.089	0.092	0.088	0.087	0.092	0.089	0.081	0.077	0.08	0.076	0.084	0.082	0.077	0.07	0.076	0.067
19100			PM10	2nd Max	2	49	48	51	59.5	46.5	45	39	43.3	38.5	40	46	47	63	69.5	66	47.5	48.5
19100			PM25	Weighted Annual Mean	4	12.7	12.7	12.7	13	12.1	12.7	11	11.6	10.7	10	10.3	10.8	10.4	10.3	10	9.2	8.1
19100			PM25	98th Percentile	4	28	30	34	31	26	27	23	24	26	20	20	22	21	25	21	18	17
19100			Pb	rqmax	2	0.32	0.25	0.19	0.27	0.2	0.29	0.31	0.19	0.22	0.22	0.29	0.19	0.1	0.04	0.02	0.01	0.01
19100			SO2	99th Percentile	2	91	89	31	40	46	53	60	56	36	15	16	12	13	16	12	6	6
19140	Dalton	GA	O3	4th Max	1	0.091	0.08	0.092	0.085	0.074	0.08	0.075	0.082	0.077	0.069	0.073	0.073	0.07	0.062	0.067	0.063	0.067
19300	Daphne-Fairhope-Foley	AL	O3	4th Max	1	0.097	0.078	0.072	0.078	0.08	0.074	0.081	0.078	0.072	0.069	0.074	0.073	0.067	0.062	0.07	0.063	0.062
19300			PM25	Weighted Annual Mean	1	14.5	10.6	10.4	12.2	11.4	11.7	11.2	10.4	9.9	10.1	10.2	10	9.2	8.4	8.9	8.6	7.2
19300			PM25	98th Percentile	1	36	22	23	29	28	26	26	22	20	20	20	20	18	17	17	18	14
19340	Davenport-Moline-Rock Island	IA-IL	O3	4th Max	2	0.075	0.076	0.077	0.072	0.064	0.071	0.065	0.072	0.061	0.061	0.061	0.059	0.069	0.064	0.063	0.062	0.064
19340			PM10	2nd Max	2	53	49	52	44.5	45.5	58	49.5	50.5	43.5	40.5	56	46	48	41	40	50	35.5
19340			PM25	Weighted Annual Mean	2	12.4	12.9	12.1	12.1	10.7	12.9	10.5	12.5	11.4	11	12.1	11.3	9.9	9.7	9.8	9.1	7.6
19340			PM25	98th Percentile	2	30	33	28	32	30	37	26	32	28	27	34	27	22	23	25	25	18
19340			SO2	99th Percentile	1	46	36	25	30	34	37	29	17	12	14	17	19	12	15	10	7	4
19380	Dayton	OH	O3	4th Max	3	0.079	0.081	0.096	0.083	0.072	0.081	0.075	0.074	0.071	0.07	0.07	0.075	0.077	0.068	0.066	0.069	0.069
19380			PM10	2nd Max	2	50.5	49	45	41.5	46.5	53	39	48	38.5	38	38	37	32	27.5	31.5	36	33
19380			PM25	Weighted Annual Mean	1	13.5	13.5	13.4	13.6	12.5	15.6	12.5	13.6	12	11.1	12	10.9	9.3	9.7	9.2	8.4	7.5
19380			PM25	98th Percentile	1	38	38	29	34	28	39	29	34	25	21	30	25	20	21	25	18	16
19460	Decatur	AL	O3	4th Max	1	0.091	0.077	0.087	0.081	0.072	0.079	0.078	0.081	0.068	0.062	0.07	0.07	0.074	0.06	0.062	0.063	0.067
19460			PM25	Weighted Annual Mean	1	13.1	13.1	13.1	13.7	12.2	13.7	13.2	14.4	11.4	9.9	11.2	10.5	8.9	8.6	9.3	8.8	7.4
19460			PM25	98th Percentile	1	31	31	31	30	29	36	29	40	27	19	19	24	18	16	21	17	13
19500	Decatur	IL	O3	4th Max	1	0.077	0.071	0.085	0.071	0.064	0.076	0.071	0.077	0.066	0.067	0.069	0.075	0.076	0.064	0.067	0.066	0.066
19500			SO2	99th Percentile	1	58	65	41	49	45	44	46	51	44	36	49	33	38	33	38	39	54
19660	Deltona-Daytona Beach-Ormond Beach	FL	O3	4th Max	2	0.075	0.072	0.068	0.071	0.067	0.069	0.071	0.065	0.064	0.058	0.064	0.062	0.063	0.06	0.061	0.057	0.06
19660			PM10	2nd Max	1	53	66	38	53	46	72	65	42	52	34	45	45	37	40	40	39	39
19660			PM25	Weighted Annual Mean	1	10.5	10	8.8	8.5	9.7	9.2	9	9.8	9	8.3	7.5	7.1	6.7	6.2	6.4	5.8	5.6
19660			PM25	98th Percentile	1	26	22	22	18	22	23	19	35	29	23	17	15	14	16	15	13	11
19700	Deming	NM	PM10	2nd Max	1	35	57	45	160	71	50	63	35	88	35	43	145	28	55	35	35	35
19740	Denver-Aurora-Lakewood	CO	CO	2nd Max	2	4.2	3.7	3.2	3.8	3.5	2.4	2.8	2.5	2.8	2.1	2.1	1.7	1.7	2.3	1.9	1.9	1.6
19740			NO2	Annual Mean	2	26	31	28	28	24	24	24	24	22	21	22	21	22	21	21	20	19
19740			O3	4th Max	5	0.074	0.074	0.076	0.084	0.069	0.075	0.081	0.08	0.075	0.072	0.072	0.079	0.08	0.081	0.073	0.075	0.075
19740			PM10	2nd Max	4	67.5	82.5	83	71	80.5	72	69.5	81.5	72.3	58.3	56.3	72.5	74.8	78.5	75.8	63	73.5
19740			PM25	Weighted Annual Mean	3	10	10.5	9.7	9.9	9	9.2	8.7	9.5	8.2	7.4	7.6	7	7.8	7.6	7.5	7.5	7.1
19740			PM25	98th Percentile	3	27	31	24	25	22	24	23	30	21	19	19	17	24	22	23	25	19
19740			SO2	99th Percentile	2	64	73	73	58	40	39	33	30	30	33	35	32	34	34	16	15	14
19780	Des Moines-West Des Moines	IA	O3	4th Max	1	0.071	0.058	0.061	0.061	0.051	0.072	0.064	0.069	0.059	0.061	0.064	0.063	0.07	0.059	0.06	0.059	0.057
19780			PM25	Weighted Annual Mean	2	10.2	10.4	10.5	10.6	9.5	10.9	9.3	10.7	9.7	9.1	10.2	9.5	9.1	9	8.5	7.5	7
19780			PM25	98th Percentile	2	26	27	25	29	27	32	23	27	23	25	32	22	21	21	20	18	18
19820	Detroit-Warren-Dearborn	MI	CO	2nd Max	1	3.3	1.6	3.7	2.4	2.3	1.7	2.3	1.4	1.1	1.2	1.2	1.2	1.2	1.1	1.1	1.1	1.1
19820			NO2	Annual Mean	1	18	19	18	19	15	17	14	14	13	13	12	12	11	11	12	11	10
19820			NO2	98th Percentile	1	70	70	65	60	54	51	47	48	49	50	54	49	41	41	52	45	42
19820			O3	4th Max	6	0.076	0.089	0.092	0.094	0.072	0.083	0.075	0.088	0.072	0.071	0.074	0.079	0.081	0.068	0.069	0.068	0.073
19820			PM10	2nd Max	3	79.7	65.7	77.3	93	84.3	77	54.3	59.3	51.3	42	44.3	41.7	48.7	37	43	43.3	66
19820			PM25	Weighted Annual Mean	10	15.9	16	15.7	15.3	13.6	16	13	13.5	11.6	10.4	9.8	9.7	9.9	9	9.9	9.9	8.7
19820			PM25	98th Percentile	10	40	42	38	38	35	48	35	33	30	30	27	24	24	20	25	27	21
19820			Pb	rqmax	1	0.03	0.03	0.04	0.04	0.03	0.03	0.03	0.03	0.02	0.02	0.01	0.02	0.01	0.01	0.02	0.02	0.01
19820			SO2	99th Percentile	1	114	129	126	122	130	125	130	116	101	79	107	94	80	66	72	55	59
19860	Dickinson	ND	O3	4th Max	1	0.059	0.058	0.062	0.059	0.055	0.059	0.066	0.064	0.061	0.056	0.061	0.057	0.057	0.057	0.055	0.064	0.056
19860			PM25	Weighted Annual Mean	1	4.2	4.2	4.2	5.2	4.4	4.3	4.8	4.7	4.6	4.1	4.7	4.1	4.4	4.7	4.5	5.5	5.5
19860			PM25	98th Percentile	1	9	9	9	20	9	11	18	14	11	10	12	10	12	12	8	30	30
19860			SO2	99th Percentile	1	10	11	10	9	7	6	6	7	6	9	6	5	6	4	5	6	4
20100	Dover	DE	O3	4th Max	1	0.093	0.091	0.094	0.084	0.075	0.082	0.085	0.078	0.081	0.066	0.077	0.072	0.087	0.064	0.066	0.066	0.068
20100			PM25	Weighted Annual Mean	2	13.1	13.5	13.1	12.5	12.6	13.2	11.9	12.1	11.2	9.4	9.5	8.8	8.2	8	8.3	8	7
20100			PM25	98th Percentile	2	31	36	46	33	30	34	30	31	28	20	23	24	21	23	21	21	15
20180	DuBois	PA	O3	4th Max	1	0.079	0.089	0.095	0.087	0.074	0.086	0.072	0.072	0.077	0.066	0.077	0.073	0.073	0.067	0.06	0.068	0.066
20260	Duluth	MN-WI	CO	2nd Max	1	2.1	2.5	2.1	1.7	1.5	1.6	1.4	1.5	1.5	1.5	1.9	1.5	1	1.4	0.7	0.7	0.7
20260			O3	4th Max	2	0.06	0.059	0.063	0.067	0.059	0.068	0.06	0.063	0.058	0.059	0.062	0.055	0.061	0.058	0.056	0.056	0.054
20260			PM10	2nd Max	2	48	40	44	52.5	54.5	43.5	44	48	42.5	39.5	44	49	37	46	59	49.5	39.5
20260			PM25	Weighted Annual Mean	2	7.3	7	6.6	6.6	5.5	6.4	6.4	5.9	6.2	6.1	5.3	5.3	5.5	6.8	7	5.7	3.7
20260			PM25	98th Percentile	2	22	18	21	19	18	22	21	17	18	23	15	16	17	18	18	16	13
20420	Durango	CO	NO2	Annual Mean	2	7	7	7	7	7	7	6	7	6	8	6	6	5	5	4	4	5
20420			O3	4th Max	1	0.061	0.051	0.055	0.06	0.06	0.066	0.063	0.071	0.067	0.066	0.067	0.069	0.069	0.067	0.065	0.066	0.072
20500	Durham-Chapel Hill	NC	O3	4th Max	2	0.081	0.083	0.098	0.079	0.072	0.079	0.073	0.077	0.075	0.064	0.072	0.07	0.068	0.058	0.063	0.06	0.061
20500			PM25	Weighted Annual Mean	1	13.3	12.9	12.2	11.5	12.2	11.9	12.4	11.7	11.4	8.3	8.9	8.4	7.2	7.2	7.8	7.8	7.8
20500			PM25	98th Percentile	1	27	30	27	26	25	28	28	26	23	18	19	20	17	17	15	15	15
20820	Effingham	IL	O3	4th Max	1	0.074	0.077	0.08	0.069	0.067	0.073	0.067	0.078	0.063	0.067	0.072	0.066	0.073	0.064	0.063	0.064	0.066
20940	El Centro	CA	CO	2nd Max	1	7.1	7.1	2.8	2.4	1	1.7	1.7	1.6	1.7	2.6	2.2	1.6	1.7	1.4	0.9	0.4	1
20940			NO2	Annual Mean	2	15	12	12	12	14	13	12	13	12	11	9	11	12	10	10	9	8
20940			NO2	98th Percentile	1	88	88	88	61	76	80	73	72	73	72	56	63	66	62	61	60	60
20940			O3	4th Max	3	0.083	0.087	0.084	0.073	0.075	0.08	0.077	0.083	0.079	0.078	0.074	0.076	0.078	0.077	0.075	0.075	0.07
20940			PM10	2nd Max	4	189.5	124.3	206.8	174	121.5	69.8	117.5	131.5	89.5	149	66	74.8	165.3	116.8	181	131.5	122.5
20940			PM25	Weighted Annual Mean	2	12.9	11.9	12.2	11.2	10.7	11.3	10.6	10.7	9.1	9.7	9.7	10.5	11	10.2	10.2	9.2	11
20940			PM25	98th Percentile	2	37	34	34	33	29	32	37	28	21	23	23	31	25	23	28	24	30
20940			Pb	rqmax	1	0.02	0.03	0.02	0.03	0.03	0.02	0.03	0.03	0.02	0.02	0.02	0.02	0.03	0.02	0.03	0.02	0.02
20980	El Dorado	AR	SO2	99th Percentile	1	122	54	43	32	28	37	46	25	29	25	26	25	27	20	32	20	26
21340	El Paso	TX	CO	2nd Max	3	5	4.4	3.3	3	2.5	2.7	2.2	1.9	2	1.7	1.7	1.5	1.5	1.5	1.4	1.6	1.4
21340			NO2	Annual Mean	3	19	19	19	18	16	15	17	17	16	15	15	15	14	13	12	12	12
21340			NO2	98th Percentile	2	70	69	74	66	66	69	65	66	66	59	59	58	56	53	55	57	57
21340			O3	4th Max	6	0.078	0.075	0.082	0.071	0.074	0.077	0.077	0.074	0.074	0.068	0.068	0.069	0.067	0.066	0.066	0.068	0.065
21340			PM10	2nd Max	1	97	98	129	244	132	84	99	88	73	67	63	159	148	137	77	63	62
21340			PM25	Weighted Annual Mean	1	9.4	9.4	10.7	10.3	10	9.7	8.9	8.8	9.1	8.1	8.2	12.5	7.4	8.6	8.2	6.6	7.1
21340			PM25	98th Percentile	1	22	27	32	30	28	27	21	21	20	15	25	37	14	20	17	16	14
21340			SO2	99th Percentile	2	12	12	15	11	9	11	9	9	10	5	6	7	4	3	3	4	5
21060	Elizabethtown-Fort Knox	KY	O3	4th Max	1	0.085	0.08	0.084	0.073	0.068	0.079	0.074	0.083	0.074	0.066	0.071	0.069	0.079	0.062	0.062	0.066	0.068
21060			PM25	Weighted Annual Mean	1	16.4	14.9	14	13.4	12.2	14.5	13.2	14.4	12.2	10.9	11.8	10.6	10.2	9.8	10.2	9.2	8.2
21060			PM25	98th Percentile	1	39	31	32	32	28	35	32	38	25	22	21	25	23	21	23	21	17
21140	Elkhart-Goshen	IN	O3	4th Max	1	0.099	0.099	0.099	0.087	0.077	0.086	0.067	0.082	0.068	0.061	0.065	0.072	0.075	0.055	0.055	0.058	0.072
21500	Erie	PA	NO2	Annual Mean	1	12	12	12	12	12	13	11	11	9	8	8	7	6	6	6	6	5
21500			NO2	98th Percentile	1	49	53	49	51	52	57	57	48	49	38	40	41	31	36	40	43	43
21500			O3	4th Max	1	0.078	0.089	0.098	0.091	0.074	0.086	0.077	0.084	0.074	0.069	0.075	0.072	0.082	0.068	0.065	0.066	0.067
21500			PM10	2nd Max	1	41	61	60	54	48	53	46	56	65	36	47	41	32	31	24	32	29
21500			PM25	Weighted Annual Mean	1	14	13.8	13.2	12.6	11.9	14.4	11.3	12.1	10.7	9.6	11.1	11.4	11.2	12.2	10.8	9.3	7.7
21500			PM25	98th Percentile	1	28	38	43	30	33	41	30	35	29	28	30	27	25	26	24	22	17
21500			SO2	99th Percentile	1	96	124	88	85	72	80	44	38	38	36	28	20	16	12	15	17	17
21660	Eugene	OR	O3	4th Max	2	0.056	0.064	0.066	0.075	0.066	0.068	0.073	0.06	0.059	0.065	0.058	0.059	0.061	0.055	0.058	0.07	0.057
21660			PM10	2nd Max	1	69	75	79	60	50	73	47	59	45	45	38	46	41	40	44	31	25
21660			PM25	Weighted Annual Mean	2	11.3	11.6	11.9	10.6	10.3	11	9.7	8.9	9.6	9.8	7.3	8.4	7	8.8	8.6	8.1	6
21660			PM25	98th Percentile	2	46	47	51	42	37	47	35	40	34	39	25	32	32	40	36	28	21
21780	Evansville	IN-KY	O3	4th Max	5	0.078	0.076	0.09	0.077	0.068	0.073	0.072	0.083	0.07	0.067	0.071	0.074	0.077	0.065	0.067	0.067	0.07
21780			PM25	Weighted Annual Mean	1	15.7	16.2	15.2	15.1	13.7	16.7	14.2	14.2	12.5	12.5	13.4	12.3	11	10.6	11.2	10	8.9
21780			PM25	98th Percentile	1	34	38	46	36	28	37	30	32	27	26	29	28	21	24	26	21	19
21780			SO2	99th Percentile	1	203	203	235	266	226	246	265	136	90	65	74	68	76	64	77	59	71
21820	Fairbanks	AK	PM25	Weighted Annual Mean	1	14.9	13	12.9	9.8	51.2	31.3	11.5	10.7	11.3	16.4	13	10.8	10.7	11.9	10.3	11.8	9.7
21820			PM25	98th Percentile	1	64	43	43	33	469	255	42	33	47	90	52	38	50	39	35	57	42
21900	Fairmont	WV	PM25	Weighted Annual Mean	1	16	15.9	15.3	15	14.1	15.9	14.6	15.3	13.7	11.7	13.3	11.2	10.3	9.3	9.5	9.5	9.5
21900			PM25	98th Percentile	1	36	44	40	34	34	34	34	34	28	23	27	28	20	18	18	19	19
22020	Fargo	ND-MN	NO2	Annual Mean	1	7	6	6	6	6	6	6	5	5	5	5	4	5	4	4	4	4
22020			NO2	98th Percentile	1	40	40	33	39	42	38	38	36	39	42	44	40	34	36	34	31	27
22020			O3	4th Max	1	0.062	0.062	0.062	0.065	0.056	0.061	0.065	0.055	0.055	0.057	0.063	0.057	0.063	0.059	0.059	0.057	0.054
22020			PM25	Weighted Annual Mean	1	8	8.4	7.3	7.9	7.5	7.6	8.2	7.5	8.3	7.6	9.6	7.2	7.2	6.7	5.5	7.2	7.2
22020			PM25	98th Percentile	1	27	24	21	18	26	23	19	15	24	20	25	19	19	18	17	20	20
22020			SO2	99th Percentile	1	6	8	5	5	6	7	5	5	5	6	6	4	4	3	3	2	2
22140	Farmington	NM	NO2	Annual Mean	2	10	10	11	11	10	10	13	13	11	10	11	11	9	10	8	8	7
22140			NO2	98th Percentile	1	44	42	41	55	40	39	59	44	35	35	40	36	37	38	32	32	34
22140			O3	4th Max	2	0.08	0.074	0.076	0.074	0.069	0.074	0.067	0.071	0.066	0.056	0.064	0.067	0.071	0.067	0.063	0.061	0.064
22140			SO2	99th Percentile	1	86	86	73	96	89	82	74	75	20	25	14	20	24	25	14	14	14
22180	Fayetteville	NC	O3	4th Max	2	0.085	0.083	0.095	0.084	0.075	0.088	0.073	0.081	0.075	0.066	0.072	0.075	0.069	0.062	0.064	0.063	0.065
22180			PM10	2nd Max	1	63	39	44	35	35	42	40	36	33	24	37	30	26	27	21	23	23
22180			PM25	Weighted Annual Mean	1	15.8	14.3	14.1	13.4	14.1	13.8	13.6	13.2	12.1	9.6	11.4	9.7	8.9	8.8	8.9	7.8	8.5
22180			PM25	98th Percentile	1	33	27	36	28	32	32	30	30	24	20	25	22	18	19	16	14	20
22380	Flagstaff	AZ	O3	4th Max	1	0.071	0.07	0.079	0.073	0.072	0.079	0.07	0.069	0.071	0.066	0.069	0.074	0.073	0.069	0.069	0.07	0.064
22420	Flint	MI	O3	4th Max	2	0.073	0.091	0.089	0.089	0.076	0.08	0.074	0.083	0.069	0.068	0.068	0.073	0.084	0.066	0.068	0.067	0.073
22420			PM25	Weighted Annual Mean	1	12.9	13.1	12.5	12	10.5	12.9	10.9	11.1	9.8	8.7	8.9	8.5	8	7.4	8.9	8.2	7.2
22420			PM25	98th Percentile	1	32	38	31	32	28	36	27	25	26	26	25	21	21	17	24	22	19
22500	Florence	SC	O3	4th Max	1	0.087	0.081	0.09	0.075	0.076	0.079	0.076	0.073	0.076	0.065	0.071	0.07	0.07	0.059	0.063	0.061	0.063
22520	Florence-Muscle Shoals	AL	PM25	Weighted Annual Mean	1	15.6	12.8	12.8	12.9	11.8	13.2	12.6	13.5	11.2	9.1	10.5	10.3	8.8	8.6	9.4	8.7	7.5
22520			PM25	98th Percentile	1	32	29	34	29	31	32	29	35	25	21	19	21	18	17	21	16	16
22540	Fond du Lac	WI	O3	4th Max	1	0.069	0.084	0.08	0.077	0.068	0.082	0.066	0.074	0.062	0.066	0.062	0.074	0.079	0.063	0.067	0.065	0.066
22660	Fort Collins	CO	CO	2nd Max	1	3.8	3	2.9	2.5	3.1	2.4	2.7	2.4	3	1.8	1.7	1.3	1.7	1.4	1.4	1.4	1.3
22660			O3	4th Max	2	0.074	0.069	0.08	0.081	0.069	0.076	0.077	0.074	0.071	0.066	0.072	0.073	0.077	0.074	0.071	0.069	0.07
22660			PM10	2nd Max	1	66	42	46	36	63	46	55	44	54	43	36	38	67	49	43	47	50
22660			PM25	Weighted Annual Mean	1	8.3	8.6	7.7	7.3	7.7	7	7.3	8	6.7	6.8	6.5	5.7	7.3	6.8	6.5	7.1	7.1
22660			PM25	98th Percentile	1	20	25	18	16	20	16	20	20	18	17	22	15	26	18	20	27	27
22840	Fort Payne	AL	PM25	Weighted Annual Mean	1	17.2	14.7	14.4	15	14.1	14.2	13.7	13.9	11.5	9.7	11.6	11.2	9.2	9	9.6	9	7.7
22840			PM25	98th Percentile	1	51	31	32	31	33	33	32	30	26	21	22	23	17	19	19	19	13
23060	Fort Wayne	IN	O3	4th Max	2	0.086	0.078	0.095	0.087	0.071	0.081	0.072	0.079	0.068	0.065	0.067	0.071	0.076	0.062	0.063	0.061	0.068
23060			PM25	Weighted Annual Mean	1	15.7	14.3	14.6	14.1	12.5	15.6	11.9	13.2	11.8	10.8	11.8	10.3	9.9	9.5	10.7	10.4	8.2
23060			PM25	98th Percentile	1	35	32	32	35	31	38	26	34	31	24	31	23	26	20	28	28	19
23420	Fresno	CA	CO	2nd Max	3	2.8	2.6	2.3	1.9	2	1.7	2.2	1.7	1.4	1.5	1.2	1.6	1.4	1.8	1.1	1.1	1.2
23420			NO2	Annual Mean	4	16	16	16	16	14	13	14	13	11	10	9	10	10	11	11	9	8
23420			O3	4th Max	4	0.106	0.107	0.112	0.104	0.089	0.093	0.094	0.087	0.101	0.093	0.095	0.096	0.093	0.089	0.09	0.09	0.089
23420			PM10	2nd Max	2	111.5	120.5	86.5	81.5	66	89	98.5	83.5	82	66.5	61.5	73	69.5	85	82	80	75
23420			PM25	Weighted Annual Mean	2	17.4	18.3	18.7	17	16.7	16.6	17	16.6	16.4	16.4	14	16.7	14	15.9	14.3	14.5	12.8
23420			PM25	98th Percentile	2	69	74	63	53	54	71	63	60	48	51	42	68	50	64	63	44	39
23460	Gadsden	AL	O3	4th Max	1	0.083	0.083	0.083	0.076	0.068	0.071	0.074	0.075	0.064	0.061	0.065	0.062	0.061	0.06	0.059	0.06	0.064
23460			PM25	Weighted Annual Mean	1	19.5	17.2	14.8	14.3	14.3	15.4	14.4	15.8	12.4	10.2	11.8	11.4	9.6	9.2	9.3	9.1	8.2
23460			PM25	98th Percentile	1	51	42	34	29	35	39	33	38	28	21	24	25	17	19	19	18	14
23500	Gaffney	SC	O3	4th Max	1	0.088	0.08	0.093	0.079	0.068	0.078	0.076	0.067	0.08	0.057	0.072	0.07	0.07	0.06	0.064	0.065	0.065
23540	Gainesville	FL	O3	4th Max	1	0.08	0.079	0.071	0.071	0.075	0.073	0.075	0.078	0.069	0.056	0.069	0.064	0.064	0.062	0.06	0.056	0.06
23540			PM25	Weighted Annual Mean	1	11.2	10.1	9.9	9.5	9.1	9.3	9.2	10.1	7.4	7	7.8	7.5	7.2	6.9	6.3	5.7	6
23540			PM25	98th Percentile	1	27	24	24	19	20	25	20	38	15	17	16	16	16	17	14	12	15
23580	Gainesville	GA	PM25	Weighted Annual Mean	1	18.1	15.5	14.6	14.7	14	14.5	13.8	13.8	11.8	10.2	11.4	10.7	9.3	8.5	8.9	7.9	8.5
23580			PM25	98th Percentile	1	39	33	29	33	28	34	29	29	32	20	23	25	17	17	18	18	23
23900	Gettysburg	PA	CO	2nd Max	1	1.2	1.2	0.6	0.5	1.6	0.3	1.2	0.6	0.5	0.3	0.5	0.4	0.6	0.7	1.3	0.5	0.4
23900			NO2	Annual Mean	1	4	3	3	3	4	3	4	4	2	3	3	1	2	2	2	2	1
23900			PM25	Weighted Annual Mean	1	13	14.1	12.9	13.6	13.7	13.6	11.8	12.3	11.4	11	11.7	12.2	11	10.4	8.5	9.9	7.4
23900			PM25	98th Percentile	1	37	36	40	37	36	36	34	31	31	27	31	30	28	25	21	24	19
23940	Gillette	WY	NO2	Annual Mean	1	3	3	3	2	2	2	2	2	2	2	2	2	2	1	1	1	1
23940			O3	4th Max	1	0.069	0.069	0.071	0.074	0.065	0.063	0.072	0.072	0.066	0.062	0.063	0.061	0.071	0.061	0.058	0.059	0.057
23940			PM10	2nd Max	10	78.3	84.1	82.3	84.2	98.7	71.7	82.1	90	77	61.1	66.4	75.3	87.1	61.9	50.9	69.6	60.3
23940			SO2	99th Percentile	1	72	72	72	57	56	57	59	61	69	60	52	37	39	37	32	16	14
24060	Glenwood Springs	CO	PM10	2nd Max	1	31	41	51	34	45	64	68	59	136	71	55	73	44	28	38	34	28
24140	Goldsboro	NC	PM25	Weighted Annual Mean	1	15.8	14.6	13.3	13	12.9	13.5	12.9	11.5	12.6	9.7	10.6	9.4	8.8	8.8	8.9	8.9	8.9
24140			PM25	98th Percentile	1	34	29	30	26	25	34	33	25	28	18	21	22	18	20	18	18	18
24300	Grand Junction	CO	PM10	2nd Max	1	62	62	62	110	60	70	77	68	103	61	64	39	49	51	45	34	35
24340	Grand Rapids-Wyoming	MI	CO	2nd Max	1	2.6	3.1	2.8	2	1.8	1.9	2	1.1	1.1	1.6	1.3	1.4	1.4	1	0.9	1.2	0.9
24340			O3	4th Max	3	0.073	0.085	0.089	0.089	0.07	0.084	0.082	0.086	0.067	0.069	0.069	0.077	0.081	0.069	0.068	0.066	0.074
24340			PM10	2nd Max	1	37	41	41	31	30	58	34	42	25	21	27	35	29	26	27	29	56
24340			PM25	Weighted Annual Mean	1	13.9	14.5	13.4	13.5	12	13.7	12.5	12.2	10.7	9.4	9.6	9.5	9.3	8.4	9.5	9.3	8.2
24340			PM25	98th Percentile	1	35	40	35	35	32	45	33	30	25	30	24	23	26	18	23	26	20
24540	Greeley	CO	O3	4th Max	1	0.08	0.08	0.08	0.083	0.069	0.078	0.082	0.074	0.073	0.067	0.073	0.077	0.08	0.073	0.07	0.073	0.067
24540			PM10	2nd Max	1	58	46	51	41	85	48	52	65	60	61	43	46	91	47	60	57	51
24540			PM25	Weighted Annual Mean	2	8.8	10.2	9	8.7	8.3	7.9	8.8	9.7	8	7.7	7.5	7	7.9	7.2	7.8	7.7	7.3
24540			PM25	98th Percentile	2	21	34	23	20	21	19	23	30	22	24	19	21	27	20	29	28	29
24580	Green Bay	WI	O3	4th Max	2	0.078	0.089	0.088	0.087	0.072	0.084	0.072	0.084	0.064	0.068	0.072	0.068	0.083	0.067	0.066	0.068	0.07
24580			PM25	Weighted Annual Mean	1	11.6	11.9	11.2	11.3	9.9	11.8	12.4	11.4	11.8	11.1	10	10	8.7	7.6	9.1	8	6.9
24580			PM25	98th Percentile	1	32	34	29	34	32	42	37	33	35	36	35	27	25	20	26	22	19
24580			SO2	99th Percentile	1	87	67	62	58	53	78	68	77	78	67	69	72	72	76	79	69	13
24660	Greensboro-High Point	NC	O3	4th Max	1	0.082	0.094	0.096	0.083	0.074	0.078	0.075	0.082	0.084	0.068	0.074	0.071	0.076	0.062	0.065	0.066	0.067
24660			PM10	2nd Max	1	40	40	40	42	30	35	43	37	31	23	29	20	24	26	18	21	21
24660			PM25	Weighted Annual Mean	1	13.8	13.8	13.8	13.4	14	14	13.6	13.1	11.6	9.3	10.4	8.9	8.5	8.7	7.9	8.6	8.4
24660			PM25	98th Percentile	1	33	33	33	30	31	31	30	28	25	20	21	21	20	19	15	15	18
24860	Greenville-Anderson-Mauldin	SC	O3	4th Max	1	0.081	0.088	0.088	0.078	0.074	0.081	0.081	0.081	0.08	0.066	0.072	0.075	0.068	0.06	0.062	0.06	0.067
24940	Greenwood	SC	O3	4th Max	1	0.085	0.082	0.088	0.077	0.075	0.082	0.079	0.083	0.074	0.061	0.067	0.058	0.067	0.055	0.057	0.055	0.062
25020	Guayama	PR	PM10	2nd Max	1	77	82	70	85	74	88	116	80	66	58	120	55	91	52	70	70	70
25020			PM25	Weighted Annual Mean	1	7.1	7.2	6.2	5.9	5.4	6.3	6.4	6.5	5.4	5.1	5.2	5.4	5.5	4.8	5.4	5.9	6.4
25020			PM25	98th Percentile	1	22	20	14	12	14	22	17	17	18	17	17	17	17	12	13	15	17
25060	Gulfport-Biloxi-Pascagoula	MS	O3	4th Max	2	0.09	0.082	0.074	0.084	0.08	0.082	0.083	0.08	0.077	0.076	0.073	0.073	0.074	0.064	0.074	0.066	0.063
25180	Hagerstown-Martinsburg	MD-WV	O3	4th Max	2	0.084	0.087	0.093	0.08	0.074	0.077	0.078	0.078	0.074	0.065	0.076	0.071	0.072	0.065	0.061	0.067	0.067
25180			PM25	Weighted Annual Mean	2	15.8	15	15.8	14.6	15	15.9	13.4	14.2	13	10.9	11.9	11.3	11.1	9.5	9.5	10.6	8.1
25180			PM25	98th Percentile	2	43	42	43	35	37	35	31	30	30	24	34	28	28	23	28	27	20
25220	Hammond	LA	PM25	Weighted Annual Mean	1	14	11.9	10.2	10.8	10.5	13.3	12.6	11.3	10	8.4	9	9.3	8.7	7.4	8	7.4	7
25220			PM25	98th Percentile	1	35	26	21	23	28	35	28	26	21	20	17	20	18	16	16	17	13
25260	Hanford-Corcoran	CA	O3	4th Max	1	0.105	0.093	0.101	0.092	0.088	0.085	0.086	0.08	0.088	0.095	0.103	0.086	0.082	0.085	0.086	0.085	0.083
25260			PM10	2nd Max	1	116	155	124	110	102	113	121	97	226	99	86	95	94	118	117	101	109
25260			PM25	Weighted Annual Mean	1	16.4	19.2	21.5	16.2	17.4	17.5	16.9	18.4	15.8	17.7	17.9	17.1	16.3	15.6	15.4	15.1	14.8
25260			PM25	98th Percentile	1	55	121	77	49	50	78	64	60	48	53	47	53	60	66	71	58	46
25420	Harrisburg-Carlisle	PA	O3	4th Max	3	0.08	0.089	0.093	0.079	0.072	0.084	0.078	0.078	0.079	0.064	0.075	0.071	0.072	0.066	0.063	0.066	0.067
25420			PM25	Weighted Annual Mean	2	15.2	15.6	14.7	15.7	15.4	15.2	13.5	14	13.1	11.6	11.3	11.8	11.2	11.3	10.2	10.2	8.6
25420			PM25	98th Percentile	2	46	47	45	42	37	40	35	35	34	31	32	31	29	36	28	29	25
25460	Harrison	AR	O3	4th Max	1	0.076	0.077	0.082	0.075	0.072	0.073	0.073	0.075	0.064	0.065	0.07	0.069	0.068	0.064	0.063	0.061	0.062
25540	Hartford-West Hartford-East Hartford	CT	CO	2nd Max	1	1.9	1.9	1.9	1.8	1.8	1.9	1.7	1.2	1.2	1.3	1.2	1.3	1	1.2	1.3	1	1.1
25540			NO2	Annual Mean	1	17	20	17	17	15	16	13	12	11	10	10	11	9	8	9	10	9
25540			NO2	98th Percentile	1	60	64	57	58	54	59	48	49	44	46	44	58	37	41	45	47	43
25540			O3	4th Max	3	0.082	0.099	0.104	0.083	0.08	0.094	0.088	0.092	0.082	0.07	0.079	0.073	0.08	0.08	0.078	0.075	0.076
25540			PM25	Weighted Annual Mean	1	10.7	12.3	11.8	11.7	10.9	11.5	10.7	10	9.6	8.1	7.6	8.9	7.3	7.7	7.1	7.2	6.9
25540			PM25	98th Percentile	1	32	33	38	35	29	34	31	29	25	25	24	24	18	24	17	19	18
25860	Hickory-Lenoir-Morganton	NC	O3	4th Max	1	0.085	0.082	0.092	0.079	0.07	0.075	0.076	0.077	0.072	0.064	0.071	0.066	0.064	0.062	0.061	0.065	0.066
25860			PM10	2nd Max	1	47	39	43	45	42	38	45	43	34	26	33	25	29	29	21	21	21
25860			PM25	Weighted Annual Mean	1	17.9	16	15.4	15	15	15.9	15.2	14.6	12.8	10.2	11.2	10.4	9.3	8.9	9.1	8.6	9
25860			PM25	98th Percentile	1	38	32	34	36	34	37	33	31	25	21	23	22	16	20	18	17	22
26090	Holland	MI	O3	4th Max	1	0.08	0.092	0.105	0.095	0.079	0.094	0.091	0.094	0.073	0.076	0.073	0.085	0.095	0.078	0.077	0.072	0.076
26090			PM25	Weighted Annual Mean	1	11.7	12.8	12.4	12.4	11.2	12.4	11.5	11.7	9.7	8.6	8.5	8.4	8.5	7.8	8.7	7.9	7
26090			PM25	98th Percentile	1	32	37	37	36	30	36	34	32	25	25	25	26	23	18	23	21	17
26140	Homosassa Springs	FL	PM25	Weighted Annual Mean	1	10.4	9.8	8.6	8.7	9.2	9.1	9.2	8.5	7.6	6.9	7.6	7.2	6.8	6.7	6.5	5.3	5.7
26140			PM25	98th Percentile	1	31	24	19	19	25	22	18	26	16	15	16	17	19	16	16	10	12
26380	Houma-Thibodaux	LA	O3	4th Max	1	0.085	0.084	0.072	0.08	0.078	0.081	0.081	0.076	0.074	0.067	0.074	0.076	0.072	0.065	0.067	0.064	0.065
26380			PM25	Weighted Annual Mean	1	12.4	10.9	9.3	10.9	9.7	11.2	11.6	9.6	8.6	8.3	8.8	8.7	7.7	7.2	7.5	6.9	6.9
26380			PM25	98th Percentile	1	29	26	18	24	26	28	28	23	18	17	17	19	17	15	16	16	14
26420	Houston-The Woodlands-Sugar Land	TX	CO	2nd Max	4	3.2	3.3	2.8	3.3	2.4	2.2	2.2	1.7	1.8	1.4	1.3	1.4	1.4	1.5	1.5	1.5	1.5
26420			NO2	Annual Mean	12	13	13	13	13	12	12	11	11	10	9	10	9	9	8	8	8	8
26420			NO2	98th Percentile	11	53	54	51	51	49	48	47	47	46	43	44	43	41	41	38	41	38
26420			O3	4th Max	16	0.099	0.094	0.09	0.097	0.093	0.087	0.09	0.08	0.075	0.079	0.079	0.082	0.081	0.074	0.065	0.08	0.067
26420			PM10	2nd Max	8	56.8	50.6	56	55.4	53.3	53.1	66.5	62.5	55	50	44.5	50.6	65.3	59.3	66.6	63.8	36.8
26420			PM25	Weighted Annual Mean	3	13.1	13	12.5	13.8	13.1	14.2	13	13.2	12.2	11.7	11.7	11.9	11.2	10.5	11	11	9.6
26420			PM25	98th Percentile	3	30	31	28	29	31	28	26	28	26	23	23	22	24	22	24	22	21
26420			Pb	rqmax	1	0.01	0.01	0.01	0.01	0.02	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0	0	0
26420			SO2	99th Percentile	5	49	45	48	51	45	49	44	35	31	22	23	23	15	14	14	10	7
26540	Huntington	IN	O3	4th Max	1	0.087	0.082	0.089	0.083	0.069	0.078	0.072	0.078	0.06	0.062	0.062	0.069	0.067	0.059	0.056	0.054	0.066
26580	Huntington-Ashland	WV-KY-OH	NO2	Annual Mean	1	11	11	11	10	10	11	10	11	10	9	8	7	6	6	6	6	5
26580			NO2	98th Percentile	1	42	42	42	38	36	38	39	39	42	36	37	34	30	30	32	35	29
26580			O3	4th Max	4	0.085	0.09	0.092	0.08	0.065	0.076	0.076	0.081	0.073	0.063	0.07	0.069	0.074	0.061	0.063	0.067	0.065
26580			PM10	2nd Max	1	72	58	62	56	69	72	72	94	87	49	90	63	92	74	36	56	50
26580			PM25	Weighted Annual Mean	2	16.8	16.5	16.1	14.7	14.2	17.1	14.4	15.5	13.1	11.5	12.2	10.8	10.3	9.3	9.3	8.7	7.9
26580			PM25	98th Percentile	2	37	41	43	33	31	38	29	39	26	23	27	23	22	20	21	22	16
26580			SO2	99th Percentile	3	54	55	47	47	62	50	48	50	43	27	35	35	14	15	17	13	6
26620	Huntsville	AL	O3	4th Max	1	0.088	0.08	0.078	0.079	0.077	0.075	0.079	0.082	0.073	0.066	0.071	0.072	0.076	0.064	0.064	0.063	0.066
26620			PM10	2nd Max	4	62.5	41	42.3	44.5	40.5	45.5	41	49.3	34	27	35.5	34.3	31.5	28.8	37.5	44.3	36.8
26620			PM25	Weighted Annual Mean	1	16.3	14.6	13.8	13.8	13.4	14.4	13.3	14.3	12.2	10	11.6	11.3	9.3	8.6	9	8.2	7.5
26620			PM25	98th Percentile	1	42	30	34	27	32	40	30	34	28	21	20	25	19	16	21	17	13
26820	Idaho Falls	ID	O3	4th Max	1	0.066	0.056	0.069	0.07	0.063	0.064	0.066	0.067	0.067	0.058	0.062	0.063	0.066	0.06	0.062	0.061	0.058
26900	Indianapolis-Carmel-Anderson	IN	CO	2nd Max	2	3.3	2.4	3.3	2.5	2	2.1	2.1	2.8	1.9	1.9	2.1	1.6	1.9	1.7	2	1.7	1.7
26900			NO2	Annual Mean	1	17	17	18	16	16	15	15	13	12	11	13	11	10	9	9	9	9
26900			O3	4th Max	10	0.084	0.085	0.1	0.085	0.071	0.079	0.075	0.08	0.07	0.069	0.068	0.071	0.075	0.063	0.061	0.061	0.067
26900			PM10	2nd Max	1	54	53	47	46	61	58	56	59	55	56	75	66	71	56	57	59	85
26900			PM25	Weighted Annual Mean	3	17.2	16.9	16.6	16	14.8	17.3	14.2	15.9	13.3	12.5	13.6	12.3	11.2	11.1	11.8	10.8	9.7
26900			PM25	98th Percentile	3	36	38	36	37	32	43	33	37	29	26	33	29	24	23	29	23	22
26900			Pb	rqmax	2	0.08	0.04	0.03	0.04	0.04	0.03	0.03	0.03	0.03	0.02	0.05	0.04	0.03	0.02	0.02	0.02	0.01
26900			SO2	99th Percentile	2	78	86	97	100	104	91	98	87	54	68	82	61	74	60	82	57	37
26980	Iowa City	IA	PM25	Weighted Annual Mean	1	10.9	11.7	11.4	11.8	11	13.6	11	12.2	10.7	10.6	11.5	10.3	9.6	9	9	8.4	7.4
26980			PM25	98th Percentile	1	28	35	26	27	37	41	27	33	28	26	33	26	22	21	24	21	17
27140	Jackson	MS	O3	4th Max	1	0.08	0.078	0.072	0.069	0.068	0.072	0.078	0.071	0.068	0.061	0.067	0.073	0.066	0.059	0.06	0.06	0.06
27220	Jackson	WY-ID	O3	4th Max	1	0.065	0.066	0.066	0.065	0.06	0.06	0.069	0.065	0.065	0.063	0.066	0.066	0.067	0.063	0.061	0.062	0.06
27260	Jacksonville	FL	CO	2nd Max	2	3	2.8	2.3	2.2	2	2.1	1.4	1.7	1.4	0.9	1.3	1.8	1.4	0.7	0.8	0.9	1.8
27260			NO2	Annual Mean	1	15	13	15	14	14	13	12	10	9	8	9	8	8	8	8	7	7
27260			O3	4th Max	2	0.075	0.072	0.068	0.071	0.074	0.072	0.074	0.073	0.069	0.061	0.067	0.066	0.06	0.057	0.061	0.059	0.059
27260			PM25	Weighted Annual Mean	2	12.2	11.1	9.7	9.6	10.7	10.4	9.7	10.1	8.8	8	8.2	7.8	7.4	6.4	7.1	6.9	7
27260			PM25	98th Percentile	2	31	27	23	21	26	26	21	32	18	19	18	19	21	16	17	15	16
27260			SO2	99th Percentile	4	83	88	51	41	46	48	42	32	23	16	18	23	19	19	27	14	13
27460	Jamestown-Dunkirk-Fredonia	NY	O3	4th Max	1	0.087	0.09	0.1	0.094	0.085	0.089	0.083	0.086	0.084	0.068	0.08	0.069	0.081	0.066	0.066	0.071	0.069
27460			SO2	99th Percentile	1	313	278	254	324	162	82	59	43	45	46	30	26	26	15	14	21	5
27540	Jasper	IN	PM10	2nd Max	1	62	44	37	43	41	55	34	48	35	36	36	45	30	30	33	33	35
27540			PM25	Weighted Annual Mean	1	17.2	16.7	16.3	15.7	14.4	16.9	13.5	14.4	12.9	12.5	13.6	12.6	10.8	10.9	11.1	9.7	8.7
27540			PM25	98th Percentile	1	40	38	36	40	30	41	32	35	27	25	27	28	22	22	29	23	19
27540			SO2	99th Percentile	1	107	155	130	183	151	119	161	172	205	194	157	119	140	169	157	74	26
27780	Johnstown	PA	CO	2nd Max	1	2	2.1	2.6	2.2	2.1	1.2	1.5	1.9	1.6	1.4	1.1	1.4	1.2	1.6	1.2	1.1	0.7
27780			NO2	Annual Mean	1	15	14	12	13	13	13	12	12	12	9	10	9	9	8	7	9	7
27780			NO2	98th Percentile	1	48	46	42	42	45	45	42	44	45	38	43	42	34	37	41	39	36
27780			O3	4th Max	1	0.086	0.09	0.088	0.083	0.071	0.077	0.073	0.072	0.067	0.064	0.072	0.072	0.073	0.065	0.06	0.065	0.064
27780			PM10	2nd Max	1	50	99	68	67	61	73	61	63	52	49	63	52	54	86	50	43	47
27780			PM25	Weighted Annual Mean	1	15.3	15.8	16.1	15.5	14.4	16.8	14.8	14.4	13.9	11.9	11.9	13.4	11.6	11.9	11.4	11.7	8.9
27780			PM25	98th Percentile	1	34	40	47	37	36	43	39	35	32	29	30	33	28	30	27	27	23
27780			SO2	99th Percentile	1	88	92	82	90	86	97	94	68	75	68	56	39	44	49	54	34	21
27900	Joplin	MO	PM10	2nd Max	1	328	328	256	156	148	130	155	146	97	102	107	192	113	110	153	121	116
27940	Juneau	AK	PM10	2nd Max	1	27	28	29	22	31	35	27	21	28	24	27	21	19	24	31	18	32
27940			PM25	Weighted Annual Mean	1	6.6	5.6	6.2	6.4	6.6	8.1	8.5	6.6	7.1	7	8.8	7.1	6.4	5.9	7.7	6.6	6
27940			PM25	98th Percentile	1	24	26	20	23	26	35	33	40	30	29	27	25	24	23	28	21	24
27980	Kahului-Wailuku-Lahaina	HI	PM25	Weighted Annual Mean	1	4.8	4.9	4.7	5.5	4.7	4.4	4.6	5	5.2	3.8	4.8	6	6.4	5.8	3.9	4.8	3.7
27980			PM25	98th Percentile	1	9	11	9	13	9	8	10	10	15	16	14	13	14	13	10	13	12
28020	Kalamazoo-Portage	MI	O3	4th Max	1	0.07	0.085	0.09	0.085	0.068	0.081	0.068	0.081	0.07	0.071	0.067	0.075	0.084	0.068	0.067	0.067	0.074
28020			PM25	Weighted Annual Mean	1	14.7	15.5	14.8	13.9	11.5	13.8	12.3	12.6	11.1	10	9.1	9	9.5	8.3	9.8	8.8	8.1
28020			PM25	98th Percentile	1	36	40	32	37	28	33	29	29	26	29	22	20	27	18	28	22	20
28060	Kalispell	MT	O3	4th Max	1	0.056	0.049	0.052	0.061	0.054	0.057	0.059	0.054	0.057	0.055	0.055	0.055	0.055	0.054	0.052	0.057	0.05
28060			PM10	2nd Max	2	77	69.5	70	114	74.5	91	93.5	110.5	76.5	66.8	57.2	47.5	97.5	66	83.5	135	91
28140	Kansas City	MO-KS	CO	2nd Max	1	5	3.6	2.8	3	2.4	3.1	2.2	2.1	1.4	1.6	1.6	1.5	1.9	1.7	1.1	1.2	1
28140			NO2	Annual Mean	2	17	18	18	19	17	18	17	16	17	13	14	14	13	12	12	12	12
28140			NO2	98th Percentile	1	62	60	57	59	58	58	60	53	62	45	54	53	52	51	51	45	45
28140			O3	4th Max	5	0.087	0.078	0.085	0.086	0.066	0.083	0.086	0.078	0.067	0.069	0.069	0.074	0.083	0.067	0.065	0.064	0.065
28140			PM25	Weighted Annual Mean	4	11.7	12.3	12.5	12	10.2	12.4	10.5	10.9	10	9.4	9.9	10.1	9.6	8.8	9.2	8.2	7
28140			PM25	98th Percentile	4	25	28	30	29	25	32	23	25	20	24	23	23	19	19	21	19	16
28140			SO2	99th Percentile	2	57	30	58	77	97	96	112	102	110	109	109	105	109	105	90	90	10
28300	Keene	NH	O3	4th Max	1	0.063	0.074	0.084	0.071	0.069	0.074	0.067	0.073	0.068	0.062	0.064	0.062	0.063	0.063	0.06	0.059	0.066
28300			PM25	Weighted Annual Mean	1	11.6	11.6	11.8	12	10.9	12	11.7	10.8	10.5	10.4	8.4	10.2	8.8	8.3	9.4	8.7	5.7
28300			PM25	98th Percentile	1	30	30	33	34	30	29	32	26	29	31	23	32	26	28	27	23	19
28700	Kingsport-Bristol-Bristol	TN-VA	CO	2nd Max	1	2.2	2.1	1.9	2.2	2.1	1.3	1.3	1.2	1	1	1	1	0.9	0.9	0.9	1	1
28700			NO2	Annual Mean	1	15	15	14	15	14	12	12	11	10	9	10	10	11	11	7	8	8
28700			NO2	98th Percentile	1	61	60	51	56	52	50	48	46	44	43	49	43	46	64	37	39	39
28700			O3	4th Max	2	0.095	0.086	0.093	0.081	0.075	0.082	0.082	0.088	0.074	0.067	0.072	0.073	0.076	0.063	0.063	0.066	0.068
28700			PM25	Weighted Annual Mean	1	16.6	15.1	14.1	13.8	13.8	14.3	13.5	13.9	10.6	9.2	10.8	9.8	8.8	8.5	8.6	7.4	8
28700			PM25	98th Percentile	1	41	34	33	30	30	31	31	28	26	20	21	22	17	16	15	13	25
28700			SO2	99th Percentile	1	267	237	170	179	250	188	187	137	183	159	232	199	163	85	159	98	98
28820	Kinston	NC	O3	4th Max	1	0.081	0.077	0.085	0.082	0.069	0.081	0.071	0.077	0.074	0.064	0.069	0.069	0.069	0.063	0.065	0.062	0.063
28900	Klamath Falls	OR	PM25	Weighted Annual Mean	1	9.6	8.9	17.1	10	11.3	11.7	11.1	10.8	13	11.8	9.8	11	10.7	13	8.8	10.3	6.8
28900			PM25	98th Percentile	1	37	35	93	31	42	49	48	40	52	48	35	37	34	50	30	44	23
28940	Knoxville	TN	O3	4th Max	5	0.093	0.084	0.095	0.083	0.073	0.08	0.08	0.084	0.078	0.066	0.074	0.074	0.073	0.06	0.061	0.065	0.067
28940			PM10	2nd Max	4	85.8	59.8	64	66.5	67.3	56.5	58	61.5	57.8	40.3	53.8	52.3	48.3	43.3	42.3	65.8	65.8
29060	Laconia	NH	O3	4th Max	1	0.08	0.08	0.08	0.076	0.07	0.073	0.067	0.075	0.07	0.062	0.064	0.061	0.065	0.06	0.061	0.055	0.06
29060			PM25	Weighted Annual Mean	1	7.2	7.2	7.2	7.3	7	7.5	7.4	6.8	6.1	6	5.4	6	6.6	5.2	4.5	5.1	4.4
29060			PM25	98th Percentile	1	29	29	29	19	22	19	23	18	12	18	18	16	16	12	10	12	9
29200	Lafayette-West Lafayette	IN	O3	4th Max	1	0.079	0.079	0.096	0.079	0.071	0.075	0.073	0.078	0.065	0.063	0.072	0.068	0.075	0.065	0.064	0.064	0.066
29340	Lake Charles	LA	O3	4th Max	3	0.085	0.078	0.072	0.081	0.074	0.08	0.076	0.072	0.066	0.072	0.074	0.072	0.07	0.065	0.065	0.067	0.063
29340			PM25	Weighted Annual Mean	2	12.8	11.2	10	10.7	9.8	11.7	11.2	9.6	9	8.4	9.3	8.9	8.2	7.7	7.1	7.4	7.5
29340			PM25	98th Percentile	2	34	31	30	21	25	27	27	23	20	18	20	21	19	17	16	16	17
29340			SO2	99th Percentile	1	62	54	65	70	48	47	39	41	37	46	34	37	42	31	33	33	34
29380	Lake City	FL	O3	4th Max	1	0.074	0.074	0.068	0.073	0.071	0.074	0.071	0.072	0.067	0.057	0.068	0.064	0.062	0.059	0.058	0.058	0.058
29460	Lakeland-Winter Haven	FL	O3	4th Max	2	0.078	0.084	0.072	0.076	0.071	0.075	0.077	0.075	0.072	0.066	0.066	0.07	0.071	0.064	0.063	0.063	0.063
29460			PM25	Weighted Annual Mean	1	12.2	11.1	10.1	9.2	10.2	9.6	9.2	9.3	8.1	7.2	7.7	7.4	7	6.6	6.9	6.1	6.1
29460			PM25	98th Percentile	1	28	26	24	16	20	22	18	19	17	13	15	15	15	13	15	13	14
29540	Lancaster	PA	NO2	Annual Mean	1	14	14	13	15	14	14	13	12	11	10	8	12	9	9	9	9	9
29540			NO2	98th Percentile	1	50	50	44	49	48	50	46	42	39	38	42	48	36	37	42	46	46
29540			O3	4th Max	1	0.09	0.097	0.097	0.083	0.081	0.085	0.085	0.083	0.08	0.069	0.082	0.078	0.081	0.066	0.066	0.07	0.071
29540			PM10	2nd Max	1	55	69	107	53	54	63	58	51	48	41	44	42	41	44	37	39	44
29540			PM25	Weighted Annual Mean	1	17.8	17.2	16.2	17.6	16.6	18.2	14.1	15.4	13.9	12.2	11.7	12	12.6	11.3	11.1	11.2	9.4
29540			PM25	98th Percentile	1	47	42	40	52	36	45	35	40	35	29	34	30	29	34	30	34	26
29620	Lansing-East Lansing	MI	O3	4th Max	2	0.076	0.085	0.087	0.086	0.069	0.08	0.071	0.081	0.069	0.067	0.065	0.07	0.08	0.065	0.066	0.064	0.073
29620			PM25	Weighted Annual Mean	1	13	13.8	13.5	12.9	11.1	13.5	11.5	11.5	9.8	9.1	9	8.7	8.6	7.6	9.4	8.6	7.3
29620			PM25	98th Percentile	1	37	37	33	29	29	38	28	29	24	27	24	21	24	17	22	25	18
29660	Laramie	WY	PM10	2nd Max	1	45	52	114	74	61	51	40	66	92	61	106	81	122	57	77	61	60
29700	Laredo	TX	CO	2nd Max	1	5.5	5.4	4.3	3.5	3.3	3	4.3	2.2	2.3	1.6	1.2	1.2	1.2	1.2	1.2	1.2	1.3
29700			O3	4th Max	1	0.07	0.063	0.066	0.065	0.061	0.064	0.06	0.058	0.056	0.052	0.063	0.064	0.064	0.065	0.057	0.056	0.05
29700			PM10	2nd Max	2	54.5	54	45.5	55	33.5	43	77	45.5	40.5	59	56	54.2	48.3	57	46.5	54	43.5
29700			Pb	rqmax	1	0.04	0.02	0.01	0.01	0.02	0.02	0.01	0.01	0.01	0.01	0.03	0.02	0.02	0.01	0	0.01	0.01
29740	Las Cruces	NM	NO2	Annual Mean	2	8	8	8	8	7	7	7	7	7	6	7	6	6	5	6	6	6
29740			NO2	98th Percentile	2	58	53	51	51	49	48	49	46	51	48	47	45	44	41	43	43	43
29740			O3	4th Max	5	0.078	0.074	0.077	0.076	0.071	0.072	0.074	0.071	0.07	0.065	0.065	0.068	0.073	0.069	0.067	0.069	0.067
29740			PM10	2nd Max	1	63	70	95	169	81	64	186	115	79	89	75	151	60	228	80	39	50
29740			PM25	Weighted Annual Mean	1	6.3	6.3	6.6	6.9	6.1	6.1	6.6	6.3	5.9	5.6	4.7	5.7	6.7	6.6	5.3	4.7	5
29740			PM25	98th Percentile	1	12	12	17	15	13	15	12	15	12	14	9	13	15	16	12	10	10
29820	Las Vegas-Henderson-Paradise	NV	CO	2nd Max	3	5.3	5.3	4.6	4.4	4	4.2	4	3.2	3	2.7	2.6	2.4	2.5	2.6	2.5	2.2	2.2
29820			NO2	Annual Mean	1	22	22	22	21	20	19	21	19	17	15	13	13	14	14	13	14	16
29820			O3	4th Max	9	0.078	0.076	0.081	0.081	0.078	0.082	0.081	0.081	0.074	0.072	0.071	0.074	0.077	0.073	0.075	0.07	0.07
29820			PM10	2nd Max	7	133.3	105.4	158	129.6	72	64.9	75.4	72.9	78	68.3	45	73.9	111.4	116.4	74	67	93.1
29820			PM25	Weighted Annual Mean	1	4.2	4.2	4	3.7	3.4	3.8	3.5	4	4.4	3.9	3.4	3.7	5	5.2	4.6	4.9	6
29820			PM25	98th Percentile	1	10	9	12	8	7	10	9	9	13	11	10	9	13	17	12	10	13
30420	Lexington	NE	PM10	2nd Max	2	102.5	72	105	91.5	78	95	70.5	68	54.5	53.5	69	65.5	75.5	76	50.5	54	54
30460	Lexington-Fayette	KY	NO2	Annual Mean	1	13	13	12	12	12	12	12	11	8	8	9	8	8	7	7	7	7
30460			NO2	98th Percentile	1	53	56	54	48	52	53	50	56	49	44	56	47	45	44	39	41	43
30460			O3	4th Max	2	0.077	0.077	0.083	0.071	0.064	0.078	0.07	0.079	0.07	0.064	0.07	0.074	0.078	0.061	0.065	0.069	0.066
30460			PM25	Weighted Annual Mean	1	16.6	15.9	15.1	13.8	13.5	15.5	13.7	14.6	12.1	11.1	12.2	10.3	9.8	9.4	9.4	8.6	8.2
30460			PM25	98th Percentile	1	39	36	42	28	29	36	30	35	24	21	23	24	19	20	22	19	17
30460			SO2	99th Percentile	1	48	70	32	43	42	39	46	52	35	42	40	23	15	12	13	9	3
30700	Lincoln	NE	O3	4th Max	1	0.057	0.051	0.054	0.06	0.056	0.056	0.056	0.054	0.051	0.053	0.05	0.053	0.058	0.055	0.061	0.061	0.058
30700			PM25	Weighted Annual Mean	1	10.4	10	9.5	9.3	8.8	9.7	7.9	8.2	8.1	8.1	9	8.5	8.7	8.1	7.8	6.4	6.1
30700			PM25	98th Percentile	1	25	23	26	23	29	28	21	16	17	18	26	21	20	20	20	15	16
30780	Little Rock-North Little Rock-Conway	AR	NO2	Annual Mean	1	15	15	15	14	14	12	12	11	9	9	10	10	11	10	9	9	8
30780			NO2	98th Percentile	1	62	62	62	54	54	54	50	46	40	40	51	47	55	47	45	45	41
30780			O3	4th Max	2	0.09	0.079	0.085	0.075	0.073	0.083	0.083	0.081	0.068	0.072	0.072	0.078	0.078	0.067	0.066	0.063	0.064
30780			PM10	2nd Max	2	48.5	54	52.5	47	51.5	47	37.5	44.5	39	33	37	44	35.5	55.5	41.5	41.5	39
30780			PM25	Weighted Annual Mean	2	15.7	15.3	13.1	13.1	12.8	15.4	12.5	12.8	11.8	11.1	12.4	11.7	11.2	10.5	9.8	9.7	9.5
30780			PM25	98th Percentile	2	33	32	32	28	29	39	25	32	28	24	23	25	24	25	22	21	20
30780			SO2	99th Percentile	1	11	11	11	12	15	8	11	11	14	20	9	12	9	7	10	10	10
30860	Logan	UT-ID	O3	4th Max	1	0.075	0.067	0.071	0.072	0.061	0.069	0.073	0.074	0.066	0.061	0.061	0.063	0.072	0.066	0.059	0.067	0.067
30860			PM10	2nd Max	1	79	94	109	59	121	88	59	66	65	62	77	52	61	85	54	43	43
30860			PM25	Weighted Annual Mean	1	8.7	15.6	14.6	8.3	15.1	13	8.5	9.4	9.7	10.3	9.8	8.9	7.6	13.7	7.3	7.5	7.5
30860			PM25	98th Percentile	1	35	71	58	32	101	62	29	35	43	43	42	42	27	68	39	29	29
30980	Longview	TX	NO2	Annual Mean	1	6	7	7	7	7	7	7	7	7	5	7	6	5	5	4	4	4
30980			NO2	98th Percentile	1	33	33	30	32	29	30	30	28	32	33	42	36	26	23	24	23	23
30980			O3	4th Max	1	0.099	0.082	0.084	0.082	0.083	0.088	0.084	0.081	0.071	0.073	0.078	0.082	0.078	0.071	0.066	0.068	0.065
30980			SO2	99th Percentile	1	70	71	46	71	67	68	64	103	65	56	76	51	42	65	42	30	33
31080	Los Angeles-Long Beach-Anaheim	CA	CO	2nd Max	13	4.6	3.6	3.3	3.1	2.8	2.4	2.3	2.1	1.9	1.8	1.7	1.7	1.6	1.6	1.5	1.5	1.3
31080			NO2	Annual Mean	12	29	27	26	26	23	22	21	22	20	19	18	17	16	15	15	14	14
31080			NO2	98th Percentile	7	92	84	82	84	76	69	70	69	69	61	58	56	54	53	54	51	50
31080			O3	4th Max	13	0.09	0.086	0.091	0.1	0.089	0.085	0.09	0.086	0.089	0.086	0.074	0.078	0.079	0.075	0.082	0.081	0.081
31080			PM10	2nd Max	6	77	77.3	73.3	73.5	65.2	51.7	59.5	83.5	65.8	53.3	41.8	48.7	52.5	55.2	60.2	60.3	67.8
31080			PM25	Weighted Annual Mean	7	18.9	19.9	19.3	17.7	16.7	15	13.8	14.3	13.2	12.2	10.2	10.9	10.5	10.3	10	9.7	9.7
31080			PM25	98th Percentile	7	55	54	49	49	49	43	34	43	33	33	27	29	26	25	27	29	24
31080			Pb	rqmax	1	0.05	0.05	0.04	0.06	0.06	0.02	0.01	0.02	0.02	0.02	0.01	0.01	0.01	0.01	0.01	0.01	0.01
31080			SO2	99th Percentile	1	12	10	19	14	12	10	10	8	8	6	6	4	2	3	4	3	2
31140	Louisville/Jefferson County	KY-IN	O3	4th Max	5	0.084	0.081	0.092	0.077	0.071	0.083	0.076	0.083	0.074	0.068	0.075	0.081	0.085	0.067	0.067	0.069	0.07
31140			PM25	Weighted Annual Mean	1	16.3	15.7	14.6	14.4	13.7	16.8	13.3	14.7	12.7	11.9	13.8	11.3	10.4	10.5	10.2	9.3	8.3
31140			PM25	98th Percentile	1	37	38	41	34	27	40	28	35	27	24	30	26	20	21	24	22	17
31140			SO2	99th Percentile	3	131	122	117	126	126	133	137	163	124	112	110	63	72	69	78	36	18
31220	Ludington	MI	O3	4th Max	1	0.081	0.093	0.089	0.087	0.071	0.085	0.076	0.083	0.068	0.068	0.07	0.072	0.085	0.068	0.07	0.066	0.074
31300	Lumberton	NC	PM25	Weighted Annual Mean	1	13.2	13.2	12.5	12.6	12.9	12.9	12.5	13	11.4	9.4	10.6	10.1	8.7	7.9	8.6	8.6	8.6
31300			PM25	98th Percentile	1	26	26	28	26	32	31	28	30	22	20	25	21	19	17	15	15	15
31420	Macon	GA	O3	4th Max	1	0.097	0.086	0.093	0.081	0.086	0.082	0.077	0.08	0.078	0.07	0.071	0.078	0.072	0.064	0.065	0.062	0.07
31420			PM25	Weighted Annual Mean	2	17.5	14.9	14.3	13.9	15.5	15.5	15.4	15	12.2	11.4	12.6	12.6	10.2	9.1	10.1	8.5	8.1
31420			PM25	98th Percentile	2	36	31	30	28	37	32	29	36	30	25	25	27	21	19	20	19	18
31460	Madera	CA	NO2	Annual Mean	1	13	11	12	10	10	10	11	10	10	9	8	8	8	7	6	6	6
31460			O3	4th Max	1	0.088	0.09	0.096	0.093	0.078	0.076	0.081	0.077	0.091	0.085	0.078	0.08	0.078	0.079	0.088	0.08	0.081
31540	Madison	WI	O3	4th Max	2	0.072	0.078	0.081	0.078	0.065	0.079	0.066	0.079	0.064	0.063	0.062	0.068	0.074	0.067	0.068	0.064	0.068
31540			PM25	Weighted Annual Mean	1	12.8	13.3	12.3	11.9	11.3	12.7	12	13.2	12.6	11.5	10.1	10.3	9.4	9.3	9.3	8.6	7.4
31540			PM25	98th Percentile	1	34	37	33	32	32	40	33	37	31	32	30	27	27	23	25	23	19
31820	Manitowoc	WI	O3	4th Max	1	0.084	0.097	0.083	0.092	0.074	0.095	0.078	0.085	0.064	0.078	0.077	0.076	0.088	0.073	0.066	0.077	0.074
31930	Marietta	OH	O3	4th Max	1	0.082	0.085	0.095	0.08	0.077	0.088	0.081	0.086	0.078	0.067	0.076	0.071	0.075	0.063	0.063	0.068	0.064
32000	Marion	NC	PM25	Weighted Annual Mean	1	17.2	15	14.6	13	14	15.4	13.7	13.8	11.4	9.2	10.3	9.7	8.9	8.5	8.6	8.2	8.2
32000			PM25	98th Percentile	1	39	36	29	29	30	34	32	29	25	17	19	21	15	17	16	17	17
32220	Marshall	TX	NO2	Annual Mean	1	3	3	3	4	3	4	4	4	4	3	4	4	4	3	3	2	2
32220			NO2	98th Percentile	1	25	25	25	23	19	25	25	19	20	19	24	28	20	19	18	18	16
32220			O3	4th Max	1	0.088	0.088	0.088	0.08	0.077	0.084	0.08	0.069	0.068	0.068	0.074	0.076	0.072	0.07	0.066	0.062	0.059
32220			PM25	Weighted Annual Mean	1	11.4	11.4	11.4	12	10.9	12.4	11.3	11.5	10.2	9.4	10.4	11.9	10.4	9.4	8.9	8.8	8.7
32220			PM25	98th Percentile	1	36	36	36	24	23	29	26	24	21	18	22	19	24	23	19	16	16
32380	Mason City	IA	PM10	2nd Max	1	137	134	142	138	154	149	125	121	104	97	81	71	78	52	52	64	58
32540	McAlester	OK	O3	4th Max	1	0.076	0.076	0.076	0.076	0.068	0.071	0.077	0.071	0.067	0.067	0.068	0.078	0.076	0.071	0.062	0.06	0.059
32540			PM25	Weighted Annual Mean	1	10.9	11.8	11.5	11.6	10.1	11.8	10.3	12	11.2	9.8	9.8	10.6	10.5	9.8	8.9	7.8	7.6
32540			PM25	98th Percentile	1	25	28	28	28	25	29	22	28	22	22	18	20	21	21	22	16	17
32580	McAllen-Edinburg-Mission	TX	O3	4th Max	1	0.077	0.074	0.074	0.073	0.07	0.069	0.06	0.055	0.058	0.06	0.065	0.062	0.061	0.055	0.056	0.058	0.052
32780	Medford	OR	O3	4th Max	1	0.067	0.064	0.078	0.072	0.069	0.068	0.068	0.066	0.07	0.065	0.061	0.057	0.066	0.067	0.059	0.069	0.049
32780			PM10	2nd Max	1	68	62	72	56	49	51	61	78	47	46	26	41	56	71	34	51	27
32780			PM25	Weighted Annual Mean	1	11.3	10.6	14	11.1	10.8	10.1	10	9.8	10	10	7.1	9.4	9.2	14.2	9	12.1	7.2
32780			PM25	98th Percentile	1	40	32	45	32	35	36	32	31	33	37	19	29	31	66	31	46	21
32820	Memphis	TN-MS-AR	CO	2nd Max	1	4.4	4.1	3.5	2.7	2.4	2.5	2.5	1.7	1.5	2	1.8	2.2	1.5	1.9	0.9	1.5	1.2
32820			O3	4th Max	4	0.092	0.085	0.091	0.083	0.077	0.086	0.086	0.082	0.077	0.07	0.076	0.078	0.08	0.066	0.067	0.065	0.069
32820			PM10	2nd Max	1	71	59	56	51	47	60	49	57	42	33	42	35	31	50	36	44	38
32900	Merced	CA	NO2	Annual Mean	1	12	12	12	12	11	11	10	9	9	8	7	7	7	8	8	7	7
32900			O3	4th Max	1	0.103	0.096	0.105	0.107	0.096	0.083	0.087	0.087	0.105	0.08	0.09	0.082	0.079	0.083	0.082	0.083	0.082
32900			PM10	2nd Max	1	89	100	79	73	54	68	80	65	74	60	53	70	60	69	81	64	62
32900			PM25	Weighted Annual Mean	1	16.7	14.5	18.7	15.7	15.2	14.1	14.8	15.2	14.4	13.6	11.2	10.4	9.5	13.5	11.2	12.6	11.2
32900			PM25	98th Percentile	1	68	49	58	45	47	49	53	53	51	50	39	39	42	67	46	39	35
32940	Meridian	MS	O3	4th Max	1	0.08	0.076	0.073	0.071	0.069	0.078	0.079	0.072	0.064	0.058	0.062	0.066	0.063	0.061	0.058	0.056	0.058
33060	Miami	OK	O3	4th Max	1	0.081	0.081	0.076	0.08	0.078	0.079	0.079	0.073	0.066	0.063	0.068	0.079	0.083	0.066	0.055	0.056	0.053
33100	Miami-Fort Lauderdale-West Palm Beach	FL	CO	2nd Max	3	3.1	3.5	3.2	2.8	3.7	2.5	2.1	1.7	1.9	1.8	1.3	1.2	1.5	1	1.6	1.1	1.1
33100			NO2	Annual Mean	3	11	10	9	9	9	9	9	7	6	6	7	6	5	5	7	5	5
33100			NO2	98th Percentile	3	62	56	48	51	55	54	52	47	43	40	46	41	42	43	46	39	40
33100			O3	4th Max	5	0.074	0.071	0.063	0.066	0.063	0.064	0.074	0.066	0.067	0.062	0.064	0.06	0.062	0.061	0.062	0.061	0.061
33100			PM10	2nd Max	3	37	43.3	34	39	39.7	45	35.7	46.3	44	50.7	34	28	51.7	45.3	27.7	28.7	29.7
33100			PM25	Weighted Annual Mean	5	9.2	8.3	7.7	8	8.4	8.4	8.4	7.8	7	6.5	6.8	6.9	6.6	5.8	6.1	5.8	6.5
33100			PM25	98th Percentile	5	22	19	18	17	21	18	19	23	17	15	13	15	15	14	14	14	15
33100			SO2	99th Percentile	2	56	45	30	27	47	28	45	27	13	32	20	9	14	2	3	2	3
33140	Michigan City-La Porte	IN	O3	4th Max	2	0.077	0.085	0.104	0.083	0.068	0.087	0.072	0.076	0.062	0.065	0.069	0.075	0.09	0.067	0.066	0.064	0.068
33140			PM25	Weighted Annual Mean	1	13.4	14.2	13.2	12.8	12.1	13.6	11.1	12.4	11.2	10.1	10.7	9.8	9.7	9.3	10	9.1	7.7
33140			PM25	98th Percentile	1	29	34	31	32	32	38	28	32	28	24	29	21	26	19	24	24	17
33140			SO2	99th Percentile	1	32	37	33	31	31	29	27	26	29	23	30	19	21	18	15	15	15
33180	Middlesborough	KY	O3	4th Max	1	0.09	0.077	0.091	0.078	0.069	0.077	0.066	0.071	0.07	0.06	0.068	0.062	0.066	0.058	0.062	0.059	0.062
33180			PM25	Weighted Annual Mean	1	15.9	15.9	14.3	14.2	13.4	13.6	13.7	16.5	12.5	10.4	12.9	10.6	10.3	9.1	9	8.7	10.1
33180			PM25	98th Percentile	1	37	37	26	33	30	28	26	41	24	23	28	26	20	17	17	19	41
33340	Milwaukee-Waukesha-West Allis	WI	O3	4th Max	4	0.085	0.095	0.093	0.09	0.071	0.092	0.071	0.081	0.066	0.069	0.078	0.072	0.089	0.068	0.07	0.069	0.074
33340			PM10	2nd Max	1	45	49	47	59	58	60	54	63	38	39	50	50	47	32	41	28	31
33340			PM25	Weighted Annual Mean	4	13.3	13.9	12.8	12.3	11.9	14.3	13.5	14.6	13	11.7	11	10.8	10.2	9.5	9.8	9	8
33340			PM25	98th Percentile	4	32	39	35	31	36	40	37	39	28	38	34	27	27	22	24	24	19
33460	Minneapolis-St. Paul-Bloomington	MN-WI	CO	2nd Max	4	2.7	2.5	2.1	2	1.5	1.4	1.4	1.2	1	1.5	1.6	0.9	1	1.2	1	1	0.9
33460			NO2	Annual Mean	2	11	10	9	10	9	9	10	10	7	7	8	7	8	7	7	6	6
33460			NO2	98th Percentile	1	41	41	33	34	36	37	35	34	32	29	30	30	29	29	28	25	25
33460			O3	4th Max	3	0.066	0.076	0.073	0.07	0.062	0.073	0.069	0.07	0.058	0.06	0.064	0.064	0.068	0.064	0.062	0.06	0.061
33460			PM10	2nd Max	1	71	71	58	67	59	63	70	74	45	49	64	84	55	57	49	90	64
33460			PM25	Weighted Annual Mean	6	11.8	11.4	10.3	9.9	8.9	10.4	9	10	10	9.9	9.3	8.9	9	8.4	8.1	7	6.7
33460			PM25	98th Percentile	6	36	31	26	24	28	29	22	25	27	37	31	23	23	21	22	17	19
33460			SO2	99th Percentile	5	35	31	23	37	32	31	23	20	20	16	16	8	9	9	7	6	6
33660	Mobile	AL	O3	4th Max	2	0.091	0.074	0.077	0.081	0.076	0.073	0.083	0.079	0.073	0.07	0.076	0.071	0.07	0.061	0.069	0.062	0.063
33700	Modesto	CA	CO	2nd Max	1	2.9	3.1	2.7	2	1.8	1.8	2	1.7	1.4	1.4	1.5	1.4	1.4	1.5	1.1	0.9	0.9
33700			NO2	Annual Mean	1	16	17	17	15	14	13	13	12	12	11	10	11	11	11	10	9	9
33700			O3	4th Max	2	0.089	0.093	0.095	0.088	0.084	0.084	0.091	0.076	0.098	0.083	0.08	0.081	0.085	0.078	0.081	0.084	0.083
33700			PM10	2nd Max	1	95	124	83	75	55	74	88	71	79	62	68	67	77	77	54	64	57
33700			PM25	Weighted Annual Mean	1	18.7	15.6	18.7	14.5	13.6	13.9	14.8	15	16	13	12.1	14.7	11.9	14.3	11.4	9.1	11.1
33700			PM25	98th Percentile	1	71	69	69	47	45	55	52	57	54	55	37	55	41	56	50	31	36
33740	Monroe	LA	O3	4th Max	1	0.081	0.077	0.078	0.08	0.073	0.079	0.076	0.065	0.057	0.066	0.07	0.063	0.058	0.062	0.059	0.06	0.06
33740			PM25	Weighted Annual Mean	1	13.3	11.9	10.8	11.7	10.4	13.2	12.2	11.2	9.3	8.6	9.5	9.4	9.2	8.1	7.7	7.9	8.5
33740			PM25	98th Percentile	1	27	27	33	26	22	34	33	26	20	17	19	21	20	21	16	18	20
33860	Montgomery	AL	O3	4th Max	2	0.085	0.077	0.081	0.069	0.068	0.069	0.073	0.077	0.069	0.063	0.073	0.069	0.066	0.061	0.061	0.062	0.062
34060	Morgantown	WV	O3	4th Max	1	0.08	0.076	0.087	0.075	0.066	0.081	0.077	0.078	0.066	0.063	0.077	0.069	0.072	0.064	0.064	0.069	0.059
34060			PM25	Weighted Annual Mean	1	15	14.9	15.2	14.6	13.8	15	13.5	14.8	12.5	10.8	11.3	10.6	8.9	8.9	8.6	8.2	7.4
34060			PM25	98th Percentile	1	33	37	43	39	34	35	34	40	28	23	24	29	18	19	17	20	16
34060			SO2	99th Percentile	1	186	197	282	176	182	140	181	193	130	182	24	22	16	14	15	16	9
34100	Morristown	TN	O3	4th Max	1	0.095	0.091	0.099	0.085	0.078	0.084	0.083	0.085	0.075	0.068	0.079	0.073	0.082	0.065	0.067	0.07	0.068
34540	Mount Vernon	OH	O3	4th Max	1	0.09	0.087	0.095	0.083	0.073	0.081	0.075	0.08	0.074	0.068	0.073	0.079	0.074	0.067	0.066	0.071	0.066
34620	Muncie	IN	O3	4th Max	1	0.084	0.084	0.095	0.085	0.07	0.081	0.072	0.079	0.062	0.068	0.067	0.07	0.075	0.061	0.054	0.058	0.067
34620			PM25	Weighted Annual Mean	1	16.2	14.5	14.5	14	12.3	16.4	11.9	13.3	11.7	11.1	12.8	11.1	9.9	9.8	10.3	9	7.7
34620			PM25	98th Percentile	1	35	36	30	37	27	37	27	33	26	21	32	27	22	20	32	18	17
34620			Pb	rqmax	1	0.65	1.08	1	0.92	3.5	1.39	0.89	0.93	2.14	0.26	0.26	0.25	0.34	0.06	0.05	0.11	0.11
34700	Muscatine	IA	PM10	2nd Max	1	61	69	59	55	63	63	58	80	58	55	81	56	55	47	48	55	40
34700			PM25	Weighted Annual Mean	1	13.2	13.2	12.7	13.2	11.8	13.9	11.7	14.2	12.6	12.5	13.9	12	10.8	11	10.6	9	8
34700			PM25	98th Percentile	1	40	40	28	38	38	37	28	44	34	35	41	29	27	28	33	22	21
34740	Muskegon	MI	O3	4th Max	1	0.078	0.095	0.096	0.094	0.07	0.09	0.09	0.086	0.072	0.074	0.076	0.079	0.091	0.073	0.075	0.074	0.076
34780	Muskogee	OK	PM10	2nd Max	1	135	135	135	82	72	96	90	96	91	134	118	145	120	74	107	80	77
34780			SO2	99th Percentile	1	69	84	62	75	85	68	84	45	70	40	30	94	66	37	48	35	49
34900	Napa	CA	CO	2nd Max	1	2.5	2.6	2.3	1.9	2	2	2.2	2	1.7	1.4	1.2	1.5	1.5	1.5	1.4	1.5	1.3
34900			NO2	Annual Mean	1	12	13	13	12	11	10	11	10	10	10	9	8	8	9	8	8	7
34900			NO2	98th Percentile	1	41	47	45	46	41	42	41	41	42	35	34	40	37	40	41	33	33
34900			O3	4th Max	1	0.061	0.06	0.068	0.067	0.065	0.053	0.064	0.054	0.067	0.064	0.067	0.064	0.058	0.055	0.062	0.066	0.058
34900			PM10	2nd Max	1	43	55	57	37	40	36	45	43	46	31	34	43	35	36	35	45	31
34940	Naples-Immokalee-Marco Island	FL	O3	4th Max	1	0.061	0.061	0.061	0.073	0.071	0.065	0.07	0.069	0.071	0.061	0.059	0.06	0.059	0.061	0.058	0.057	0.058
34980	Nashville-Davidson--Murfreesboro--Franklin	TN	NO2	Annual Mean	1	19	18	16	8	16	18	17	18	15	12	13	12	12	11	10	9	9
34980			O3	4th Max	5	0.085	0.079	0.084	0.077	0.072	0.078	0.078	0.082	0.072	0.064	0.073	0.071	0.078	0.065	0.066	0.064	0.066
34980			PM10	2nd Max	2	62.5	56.5	48	52	44	53	48	55	37.5	32	40.5	33	31	28.5	31.5	42.5	34
34980			SO2	99th Percentile	1	42	39	27	24	25	26	20	25	17	13	14	12	12	13	13	7	2
35220	New Castle	IN	PM25	Weighted Annual Mean	1	13.6	13.6	13.7	13.4	11.9	15.7	11.1	13.1	11.4	10.7	11.9	10.5	9.1	9.4	9.9	8.1	7.3
35220			PM25	98th Percentile	1	31	31	30	31	27	37	27	32	25	21	31	25	21	21	26	18	15
35260	New Castle	PA	CO	2nd Max	1	1.9	2	1.8	1.8	1.9	1.5	2.2	1	0.7	1	1.7	1.5	1.6	0.9	0.6	0.6	0.6
35260			O3	4th Max	1	0.069	0.078	0.087	0.077	0.068	0.075	0.07	0.075	0.069	0.063	0.068	0.071	0.082	0.068	0.068	0.069	0.068
35260			PM10	2nd Max	1	61	83	77	89	65	78	72	82	76	60	78	74	49	54	49	61	61
35260			SO2	99th Percentile	1	99	138	95	94	91	108	74	103	60	81	53	47	45	42	40	29	24
35300	New Haven-Milford	CT	PM25	Weighted Annual Mean	1	13.7	13.9	13.6	12.6	12.1	14.1	11.9	12	11.7	9.4	9.2	9.9	8.4	8.4	8.7	9	7.3
35300			PM25	98th Percentile	1	34	35	33	38	30	36	36	33	28	28	26	24	21	24	26	22	21
35380	New Orleans-Metairie	LA	NO2	Annual Mean	1	11	10	9	10	9	9	10	9	9	8	8	8	8	6	7	6	7
35380			NO2	98th Percentile	1	54	53	46	47	46	50	53	55	52	48	47	51	46	46	42	45	39
35380			O3	4th Max	5	0.09	0.077	0.071	0.082	0.075	0.076	0.078	0.078	0.07	0.072	0.074	0.073	0.07	0.064	0.068	0.067	0.066
35380			PM25	Weighted Annual Mean	2	13.2	12.7	11.4	11.6	11.2	12.7	13.5	10.2	9.3	8.6	9.4	9.2	8.7	7.5	7.8	7.7	6.5
35380			PM25	98th Percentile	2	33	26	22	24	27	29	30	22	19	18	18	21	19	17	17	20	13
35620	New York-Newark-Jersey City	NY-NJ-PA	CO	2nd Max	4	3.8	3.5	3.2	2.8	2.6	2.6	2.2	2.2	1.7	1.8	1.9	1.8	1.7	1.5	1.7	1.6	1.8
35620			NO2	Annual Mean	6	26	25	24	24	21	22	20	19	18	17	15	17	15	14	14	14	13
35620			NO2	98th Percentile	5	76	74	70	69	68	70	65	58	58	58	57	57	52	51	57	50	49
35620			O3	4th Max	15	0.088	0.093	0.101	0.087	0.079	0.09	0.085	0.085	0.08	0.071	0.08	0.079	0.078	0.07	0.067	0.074	0.072
35620			PM10	2nd Max	1	63	67	72	61	54	66	52	49	74	49	65	63	73	43	37	43	32
35620			PM25	Weighted Annual Mean	15	14.1	13.7	13.2	13.4	12.3	13.6	11.6	12.4	11.2	9.2	9	9.7	8.9	8.6	8.6	8.8	7.7
35620			PM25	98th Percentile	15	36	35	35	39	34	36	35	33	29	25	25	24	21	23	23	24	18
35620			Pb	rqmax	3	0.09	0.11	0.09	0.14	0.12	0.08	0.04	0.03	0.05	0.04	0.04	0.38	0.03	0.05	0.01	0.02	0.02
35620			SO2	99th Percentile	7	45	48	43	47	47	46	37	32	31	28	20	22	16	10	10	7	5
35660	Niles-Benton Harbor	MI	O3	4th Max	1	0.077	0.088	0.098	0.089	0.073	0.09	0.076	0.086	0.073	0.07	0.072	0.083	0.091	0.074	0.073	0.072	0.078
35660			PM25	Weighted Annual Mean	1	12.1	13.2	12.5	12.5	10.2	13.1	10.9	11.5	9.8	9	8.7	8.7	8.7	8	8.5	8.1	7.4
35660			PM25	98th Percentile	1	30	32	31	34	29	34	28	33	25	22	23	21	22	17	20	19	17
35700	Nogales	AZ	PM10	2nd Max	1	116	112	115	162	109	205	168	133	150	116	84	109	72	87	87	87	87
35700			PM25	Weighted Annual Mean	1	12.6	11	12.2	11.8	10.8	13.2	15.6	12.3	13.1	13.2	10.2	9.7	9.6	8.9	9.5	9	9.8
35700			PM25	98th Percentile	1	34	26	25	35	25	33	56	28	36	30	32	27	26	27	29	27	26
35840	North Port-Sarasota-Bradenton	FL	O3	4th Max	5	0.082	0.08	0.07	0.078	0.077	0.075	0.077	0.073	0.071	0.061	0.067	0.07	0.064	0.066	0.063	0.062	0.06
35840			PM10	2nd Max	1	48	45	38.5	32	46	50	64	81	60	39	59	37	43	46	67	50	32
35840			PM25	Weighted Annual Mean	1	11	10	8.9	8.6	8.8	9.1	8.7	8	6.8	6.6	7	7	7.1	6	6.7	5.7	6.4
35840			PM25	98th Percentile	1	30	28	24	18	20	20	20	21	16	18	14	16	18	16	18	14	15
36100	Ocala	FL	O3	4th Max	2	0.076	0.073	0.075	0.074	0.074	0.072	0.073	0.073	0.07	0.059	0.067	0.066	0.061	0.061	0.062	0.058	0.061
36260	Ogden-Clearfield	UT	NO2	Annual Mean	1	27	27	27	26	24	24	21	25	23	22	17	16	16	17	16	15	15
36260			O3	4th Max	2	0.078	0.078	0.084	0.08	0.069	0.082	0.081	0.08	0.074	0.069	0.07	0.069	0.075	0.072	0.069	0.071	0.07
36260			PM10	2nd Max	1	85	85	134	204	125	89	67	118	118	103	197	70	61	92	75	86	62
36260			PM25	Weighted Annual Mean	2	11.9	11.9	12.6	8.5	12	9.2	8.9	10.3	8.9	9.4	8.8	8.4	7.9	10.7	7.3	7.2	8.2
36260			PM25	98th Percentile	2	51	51	56	27	57	28	27	42	38	37	46	40	27	48	31	30	37
36420	Oklahoma City	OK	NO2	Annual Mean	2	12	12	12	10	9	10	9	9	8	7	8	8	7	7	6	6	6
36420			NO2	98th Percentile	2	53	50	53	49	48	48	49	48	48	41	43	47	49	42	42	40	41
36420			O3	4th Max	6	0.081	0.08	0.078	0.079	0.072	0.076	0.081	0.073	0.071	0.072	0.071	0.082	0.078	0.07	0.068	0.067	0.065
36420			PM10	2nd Max	1	45	45	50	52	42	47	51	51	39	44	38	59	55	56	46	32	50
36420			PM25	Weighted Annual Mean	2	10.3	10.7	10.4	10.1	9.5	10.6	8.8	11.1	10.5	9.3	9	9.9	9.6	9.3	8.9	8.1	7.7
36420			PM25	98th Percentile	2	26	26	29	24	26	28	21	25	23	19	17	23	19	20	22	19	17
36540	Omaha-Council Bluffs	NE-IA	O3	4th Max	3	0.066	0.062	0.067	0.066	0.069	0.073	0.071	0.066	0.058	0.06	0.063	0.061	0.073	0.061	0.06	0.059	0.062
36540			PM10	2nd Max	4	72.3	70.8	79.3	97	76.5	86.5	74.5	70.8	83.3	60.8	85.3	73.3	85.5	60.5	61.3	58.5	48.8
36540			PM25	Weighted Annual Mean	5	10.6	10.5	10.2	10.1	9.1	11	9.5	9.6	9.2	9.1	10.7	10.2	10.1	9.3	8.4	7.9	7.2
36540			PM25	98th Percentile	5	27	25	25	26	26	28	24	27	19	20	29	23	24	22	20	19	16
36540			SO2	99th Percentile	1	22	22	22	37	52	109	64	95	70	73	58	65	73	56	54	57	65
36740	Orlando-Kissimmee-Sanford	FL	CO	2nd Max	1	2.4	2	2.5	1.5	1.6	1.8	1.5	1	1	1.2	1.3	1	1.1	1	1.5	1.2	1.2
36740			NO2	Annual Mean	1	12	12	11	11	10	9	8	7	6	6	6	5	5	5	5	4	4
36740			NO2	98th Percentile	1	59	54	49	51	48	45	46	43	38	38	40	33	35	34	36	25	29
36740			O3	4th Max	5	0.079	0.078	0.074	0.075	0.074	0.08	0.078	0.075	0.069	0.064	0.068	0.072	0.069	0.063	0.063	0.06	0.064
36740			PM10	2nd Max	2	44.5	46	33.5	37.5	42.5	45	47.5	41.5	40	30.5	40	32	35.5	43	36	41	31
36740			PM25	Weighted Annual Mean	2	11.4	10.2	9.2	8.9	9.9	9.8	9.2	9.2	7.6	7.2	7.5	7.3	7.1	6	6.4	6	6.5
36740			PM25	98th Percentile	2	29	23	21	19	24	24	18	25	17	16	14	17	19	15	16	14	14
36740			SO2	99th Percentile	1	26	29	16	13	12	12	12	10	8	8	7	5	5	3	7	3	2
36980	Owensboro	KY	NO2	Annual Mean	1	11	10	10	10	8	8	6	4	7	6	7	6	6	5	5	4	4
36980			NO2	98th Percentile	1	45	44	40	40	35	35	33	36	36	35	38	33	31	31	31	33	29
36980			O3	4th Max	2	0.077	0.075	0.09	0.073	0.069	0.078	0.076	0.084	0.072	0.068	0.073	0.078	0.084	0.065	0.065	0.068	0.068
36980			SO2	99th Percentile	1	73	72	89	98	81	91	58	64	54	43	68	40	37	45	48	37	25
37080	Oxford	NC	O3	4th Max	1	0.091	0.094	0.098	0.09	0.081	0.085	0.076	0.083	0.081	0.068	0.074	0.072	0.072	0.063	0.065	0.063	0.065
37100	Oxnard-Thousand Oaks-Ventura	CA	NO2	Annual Mean	2	17	15	13	13	12	13	11	11	10	10	9	8	8	8	8	7	7
37100			NO2	98th Percentile	2	61	55	51	52	47	47	43	43	43	39	39	37	36	35	36	32	32
37100			O3	4th Max	5	0.087	0.088	0.084	0.087	0.084	0.08	0.081	0.075	0.079	0.079	0.074	0.074	0.071	0.068	0.076	0.069	0.071
37100			PM25	Weighted Annual Mean	4	13.6	13.8	13	12.2	11.3	10.4	9.8	10.7	10.2	10.2	8.6	8.5	9.3	8.7	9.3	8.5	8.7
37100			PM25	98th Percentile	4	37	37	30	28	30	23	24	27	21	20	18	18	19	19	19	21	18
37140	Paducah	KY-IL	NO2	Annual Mean	1	11	11	9	9	9	9	9	9	8	5	7	6	6	6	6	6	5
37140			NO2	98th Percentile	1	56	51	46	44	44	45	43	43	42	40	47	37	36	34	36	39	31
37140			O3	4th Max	2	0.083	0.081	0.088	0.078	0.069	0.075	0.073	0.079	0.068	0.066	0.07	0.071	0.087	0.065	0.065	0.063	0.065
37140			SO2	99th Percentile	1	30	30	24	24	24	26	25	28	26	25	25	27	24	18	20	18	16
37260	Palatka	FL	PM10	2nd Max	1	48	48	48	52	97	63	69	87	73	40	58	63	62	54	36	45	47
37260			SO2	99th Percentile	1	54	60	43	53	48	60	61	34	39	44	33	32	26	27	25	22	12
37340	Palm Bay-Melbourne-Titusville	FL	O3	4th Max	2	0.078	0.079	0.068	0.072	0.067	0.07	0.076	0.068	0.068	0.063	0.064	0.066	0.065	0.063	0.061	0.059	0.06
37340			PM25	Weighted Annual Mean	1	8.6	8.6	7.6	7.5	8.6	8.3	9	7.3	7.4	6.5	6.9	6.5	6.1	5.7	5.8	5.2	5.2
37340			PM25	98th Percentile	1	20	20	18	16	20	18	28	20	18	15	14	15	16	21	14	12	10
37460	Panama City	FL	O3	4th Max	1	0.082	0.082	0.071	0.084	0.081	0.078	0.077	0.077	0.075	0.065	0.072	0.07	0.066	0.063	0.066	0.061	0.062
37620	Parkersburg-Vienna	WV	O3	4th Max	1	0.087	0.084	0.095	0.083	0.069	0.084	0.08	0.084	0.071	0.061	0.073	0.065	0.077	0.064	0.067	0.071	0.067
37620			PM25	Weighted Annual Mean	1	17.8	17.4	15.8	14.9	14.9	16.4	14.7	15.3	13.8	12	13.4	11.6	10.3	9.4	9.6	9.3	7.9
37620			PM25	98th Percentile	1	38	42	37	32	35	36	35	39	28	27	28	25	20	21	18	25	14
37620			SO2	99th Percentile	1	193	163	125	131	171	167	97	128	149	119	84	54	24	25	31	28	18
37740	Payson	AZ	O3	4th Max	1	0.087	0.087	0.087	0.084	0.077	0.084	0.081	0.076	0.078	0.072	0.07	0.076	0.078	0.072	0.072	0.073	0.07
37740			PM10	2nd Max	1	59	48	45	63	49	47	61	42	39	39	39	38	40	43	36	36	36
37740			SO2	99th Percentile	2	151	205	171	212	207	198	190	239	193	194	209	143	228	187	192	209	239
37860	Pensacola-Ferry Pass-Brent	FL	O3	4th Max	2	0.09	0.079	0.073	0.082	0.081	0.082	0.083	0.081	0.074	0.071	0.073	0.072	0.07	0.065	0.07	0.062	0.062
37860			PM25	Weighted Annual Mean	1	13.9	11.4	11	11.2	12.2	12	11.6	10.8	9.4	8.4	9.1	8.9	8.7	7.4	8.3	7.4	7
37860			PM25	98th Percentile	1	32	22	22	31	32	29	27	25	20	19	18	19	20	16	16	17	13
37860			SO2	99th Percentile	1	140	100	84	76	85	69	79	81	119	74	45	22	14	29	33	9	9
37900	Peoria	IL	O3	4th Max	2	0.072	0.074	0.083	0.072	0.064	0.075	0.069	0.078	0.064	0.061	0.064	0.068	0.072	0.062	0.064	0.062	0.067
37900			SO2	99th Percentile	2	157	203	151	153	174	144	162	139	148	127	131	109	145	114	114	69	86
37980	Philadelphia-Camden-Wilmington	PA-NJ-DE-MD	CO	2nd Max	4	2.8	2.8	2.2	2.3	2.2	1.9	1.9	1.7	1.4	1.7	1.5	1.3	1.2	1.4	1.1	1.2	1.3
37980			NO2	Annual Mean	5	22	22	21	21	20	20	18	18	17	15	15	15	13	12	13	14	13
37980			NO2	98th Percentile	3	66	65	58	59	56	62	61	51	51	49	52	55	47	43	49	50	47
37980			O3	4th Max	12	0.093	0.096	0.104	0.085	0.08	0.088	0.083	0.086	0.082	0.069	0.082	0.082	0.081	0.067	0.07	0.072	0.075
37980			PM10	2nd Max	1	45	66	111	74	63	58	63	46	51	36	70	45	39	51	46	57	57
37980			PM25	Weighted Annual Mean	12	15	15.4	14.7	14.6	13.8	14.5	12.9	13.6	12.7	10.9	10.9	10.7	9.8	9.5	9.8	9.7	8.7
37980			PM25	98th Percentile	12	37	40	39	38	32	35	36	34	30	26	28	27	24	27	24	25	21
37980			Pb	rqmax	1	0.05	0.04	0.04	0.04	0.04	0.04	0.05	0.04	0.04	0.04	0.05	0.03	0.01	0.01	0.01	0.01	0.01
37980			SO2	99th Percentile	5	75	74	77	76	56	76	61	40	38	30	27	19	16	12	10	9	8
38060	Phoenix-Mesa-Scottsdale	AZ	CO	2nd Max	11	4.3	3.7	3.6	3.2	2.9	3	2.6	2.3	1.8	1.9	2	1.9	1.6	1.7	1.7	1.7	1.6
38060			NO2	Annual Mean	3	31	30	31	30	27	27	27	25	22	21	20	21	22	21	21	19	18
38060			NO2	98th Percentile	3	98	77	80	77	73	73	78	71	67	64	61	60	62	60	60	58	58
38060			O3	4th Max	21	0.08	0.079	0.081	0.08	0.073	0.078	0.078	0.073	0.076	0.069	0.072	0.076	0.076	0.073	0.072	0.071	0.07
38060			PM10	2nd Max	14	109.9	85.2	97.1	135.2	80.1	99.2	127.6	116.9	100	121.6	76.6	222.9	160.7	167.2	137.4	83	112.9
38060			PM25	Weighted Annual Mean	4	9.5	8.5	9.8	9.2	8.4	8.8	9.1	9.4	9.4	8.8	7.3	9.8	9.1	7.8	7.9	7.2	7.6
38060			PM25	98th Percentile	4	25	21	26	24	21	24	20	22	20	21	18	30	19	20	20	19	18
38060			SO2	99th Percentile	1	24	15	17	13	14	15	15	12	8	10	10	8	8	8	7	7	6
38300	Pittsburgh	PA	CO	2nd Max	2	2.2	2.3	1.9	1.7	1.9	1.7	1.6	2.3	1.3	1.1	1.3	1.3	1.5	1.1	1.1	1.2	1.2
38300			NO2	Annual Mean	3	17	17	17	15	15	15	14	13	13	11	11	10	10	9	10	9	8
38300			NO2	98th Percentile	2	52	48	49	47	44	47	48	43	42	41	41	38	37	36	42	40	38
38300			O3	4th Max	10	0.08	0.089	0.097	0.086	0.074	0.084	0.077	0.077	0.075	0.067	0.075	0.071	0.078	0.07	0.066	0.069	0.069
38300			PM10	2nd Max	10	69.4	78.3	74.1	77.8	79.8	79.4	67.5	69.9	63.7	56.1	63.2	57.9	48.7	40.9	41.5	45.2	46
38300			PM25	Weighted Annual Mean	11	16.1	16.8	15.5	15.6	15	16.6	14.3	15.4	13.1	12.3	12.7	11.3	10.4	10.2	10.5	10	9.2
38300			PM25	98th Percentile	11	39	46	44	42	42	41	37	41	32	29	31	29	23	24	24	23	21
38300			Pb	rqmax	1	0.08	0.06	0.08	0.1	0.09	0.15	0.2	0.12	0.17	0.13	0.09	0.12	0.15	0.13	0.05	0.02	0.02
38300			SO2	99th Percentile	6	141	148	142	121	125	127	111	129	98	108	80	73	51	33	42	41	28
38340	Pittsfield	MA	O3	4th Max	1	0.072	0.092	0.086	0.083	0.071	0.087	0.076	0.08	0.072	0.066	0.073	0.067	0.073	0.066	0.063	0.063	0.063
38340			PM25	Weighted Annual Mean	1	11.8	13.3	12.1	11.1	10.5	11.8	9	10.1	9.9	8.7	8.9	9.1	8.5	7.4	6	7.1	5.9
38340			PM25	98th Percentile	1	29	34	36	37	30	34	27	29	27	25	25	29	20	16	17	19	13
38420	Platteville	WI	PM25	Weighted Annual Mean	1	12.3	11.9	10.9	11.3	10.8	12.4	11.7	12.7	12.6	11.4	10.3	10.4	9.1	8.9	8.1	7.9	6.8
38420			PM25	98th Percentile	1	40	31	24	30	33	39	30	36	35	33	30	23	22	19	22	22	21
38540	Pocatello	ID	PM10	2nd Max	1	124	124	78	61	53	58	45	31	57	83	65	69	194	62	87	74	65
38660	Ponce	PR	PM10	2nd Max	1	77	86	75	74	80	100	104	80	64	62	88	64	96	54	67	67	67
38660			PM25	Weighted Annual Mean	1	7.7	7.6	7.5	7.3	6.5	7.6	7	6.3	5.6	5.6	5.5	5.5	5.6	5.8	5.9	6	7.1
38660			PM25	98th Percentile	1	17	16	16	14	14	19	14	12	10	12	13	15	13	12	14	16	16
38860	Portland-South Portland	ME	O3	4th Max	3	0.069	0.088	0.093	0.073	0.073	0.073	0.072	0.081	0.068	0.068	0.067	0.067	0.069	0.07	0.064	0.063	0.064
38900	Portland-Vancouver-Hillsboro	OR-WA	CO	2nd Max	1	3.8	3.2	3	3.1	3.7	2.5	2.7	2.7	2.5	2.3	2.4	2.4	2.1	1.8	1.3	1.9	1.2
38900			O3	4th Max	3	0.059	0.063	0.061	0.071	0.06	0.059	0.067	0.058	0.062	0.064	0.056	0.056	0.059	0.053	0.057	0.064	0.057
38900			PM25	Weighted Annual Mean	1	9.8	8.7	8.4	8.2	9.3	9.2	9.8	8.1	8.4	7.6	6.3	8.3	7.3	8.7	6.3	7.2	5.6
38900			PM25	98th Percentile	1	28	25	28	23	33	26	38	29	27	22	17	36	23	36	15	29	14
39020	Portsmouth	OH	PM10	2nd Max	2	47	43.5	37	36	34	41	39.5	39.5	29.5	23	33	32	30	27	27	31	26.5
39020			PM25	Weighted Annual Mean	1	21.1	20.3	16.7	14.7	12.9	16.2	14.3	14	12.1	10.9	11.8	10.1	9.8	9	8.2	8.5	8.3
39020			PM25	98th Percentile	1	44	49	42	33	29	40	31	38	24	22	24	21	19	18	16	23	17
39020			SO2	99th Percentile	1	52	74	50	49	42	39	39	32	30	22	24	23	10	10	8	15	6
39300	Providence-Warwick	RI-MA	CO	2nd Max	1	2.4	2.7	2.6	1.8	1.7	1.6	1.6	1.1	1	1.3	1.6	1.3	1	1.3	1.2	1	0.9
39300			O3	4th Max	3	0.084	0.103	0.095	0.086	0.081	0.088	0.08	0.087	0.077	0.068	0.075	0.075	0.078	0.076	0.065	0.073	0.072
39300			PM10	2nd Max	3	39	41.3	49.3	42.7	35.3	46	39	34.3	32.7	38.3	31	27.3	28.8	28.3	34	30.3	26.3
39300			PM25	Weighted Annual Mean	4	10.9	11.7	11	10.9	10.3	10.2	9.7	9.7	9	7.8	7.8	8.5	7.5	7.2	6.4	6.7	6.1
39300			PM25	98th Percentile	4	29	32	32	33	29	30	29	28	23	21	24	22	19	19	16	17	16
39300			SO2	99th Percentile	1	88	87	74	61	58	70	67	56	55	53	84	65	65	62	13	10	7
39340	Provo-Orem	UT	CO	2nd Max	1	3.4	3.7	3.1	2.6	2.5	2.1	2.1	2.5	1.8	2.5	1.9	2	1.8	2.1	1.9	2.1	1.3
39340			NO2	Annual Mean	1	24	24	25	22	22	21	20	21	19	18	15	17	17	19	17	14	15
39340			NO2	98th Percentile	1	65	63	67	68	69	56	60	63	57	56	50	58	66	75	62	61	60
39340			O3	4th Max	2	0.086	0.07	0.077	0.078	0.07	0.079	0.077	0.076	0.073	0.069	0.07	0.065	0.077	0.074	0.072	0.072	0.072
39340			PM10	2nd Max	2	77.5	97	92	87.5	93	68.5	80.5	101.5	133.5	121	96.5	61	67	121.5	57	54	63
39340			PM25	Weighted Annual Mean	3	9.1	11.1	10.6	8.5	11.5	9.3	8.7	11.3	9.3	10	8.7	7.7	7.7	11.9	6.9	7.3	8.1
39340			PM25	98th Percentile	3	31	51	38	27	57	35	26	57	32	45	39	33	23	80	28	27	34
39580	Raleigh	NC	O3	4th Max	4	0.086	0.084	0.098	0.086	0.076	0.083	0.074	0.081	0.078	0.067	0.072	0.075	0.073	0.061	0.062	0.064	0.066
39580			PM25	Weighted Annual Mean	1	15.9	14.2	13.6	13.7	13.3	13.6	13.8	13.1	11.4	9.2	10.2	10.3	9.5	10.5	11.1	10.5	7.9
39580			PM25	98th Percentile	1	35	31	32	33	30	33	32	33	24	20	21	24	21	22	22	22	16
39660	Rapid City	SD	PM10	2nd Max	2	56.5	58.5	57.5	62.5	40	38.5	44.5	47.5	41.5	39	45	44.5	44	39	40	33.5	32.5
39660			PM25	Weighted Annual Mean	1	8.8	7.8	7.2	7.4	7.2	7.2	7.4	7.4	6.7	5.9	6.6	5.4	5.8	6.1	5.5	5.6	4.9
39660			PM25	98th Percentile	1	27	19	19	23	17	17	17	19	17	14	27	13	19	17	16	21	15
39740	Reading	PA	Pb	rqmax	1	0.33	0.32	0.24	0.41	0.43	0.4	0.36	0.36	0.24	0.25	0.2	0.18	0.22	0.17	0.03	0.03	0.01
39780	Red Bluff	CA	O3	4th Max	2	0.081	0.079	0.087	0.082	0.075	0.079	0.08	0.077	0.084	0.078	0.077	0.072	0.076	0.072	0.072	0.072	0.078
39780			PM10	2nd Max	1	44	67	58	46	55	40	66	50	95	46	38	40	44	43	37	37	37
39820	Redding	CA	O3	4th Max	3	0.077	0.068	0.075	0.075	0.076	0.077	0.076	0.074	0.08	0.069	0.067	0.063	0.066	0.061	0.069	0.067	0.068
39820			PM10	2nd Max	2	42.5	46.5	51	41.5	43	34.5	47.5	36.5	113	33	26	31.5	36	33.5	33.5	31.5	32
39820			PM25	Weighted Annual Mean	1	9.2	9.2	10.5	7.5	7.2	7.3	8.7	5.6	14.7	5.8	4.6	5.4	5.9	5.9	5.2	7.5	5.2
39820			PM25	98th Percentile	1	29	29	40	16	18	19	29	17	97	20	10	16	17	18	14	20	13
39900	Reno	NV	CO	2nd Max	6	3.2	3.3	3	2.5	2.6	2.5	2.4	2.2	1.8	1.9	1.7	1.5	1.5	1.7	1.5	1.4	1.3
39900			O3	4th Max	6	0.067	0.071	0.073	0.071	0.069	0.067	0.071	0.069	0.074	0.064	0.067	0.064	0.07	0.066	0.068	0.069	0.068
39900			PM10	2nd Max	1	79	91	74	52	58	60	70	67	84	72	77	57	40	89	60	61	51
39900			PM25	Weighted Annual Mean	1	8.9	10.3	9.2	7.3	7.9	8.9	7.6	8	10.2	7.9	6.1	6.7	6	10.1	7.6	7.6	6.5
39900			PM25	98th Percentile	1	31	42	26	19	29	41	27	24	54	41	18	19	16	39	29	20	19
39980	Richmond	IN	SO2	99th Percentile	1	101	107	109	96	101	126	95	100	109	70	95	79	22	14	7	35	34
40060	Richmond	VA	NO2	Annual Mean	1	11	12	12	10	10	10	10	7	6	5	5	6	5	4	5	4	3
40060			NO2	98th Percentile	1	68	61	64	67	69	60	62	62	60	55	56	55	46	39	44	38	44
40060			O3	4th Max	5	0.082	0.089	0.097	0.082	0.076	0.082	0.082	0.081	0.082	0.065	0.078	0.076	0.076	0.064	0.062	0.062	0.064
40060			PM10	2nd Max	1	40	36	40	36	41	46	44	36	35	27	31	40	29	22	24	27	27
40060			PM25	Weighted Annual Mean	4	14.6	13.4	13.2	13.2	12.9	13.6	12.7	12.4	10.7	9	9.8	9.1	8.5	7.9	8.1	7.8	7
40060			PM25	98th Percentile	4	33	33	29	35	29	31	31	31	23	20	21	21	19	19	16	17	15
40060			SO2	99th Percentile	1	75	80	92	84	79	94	78	94	58	47	44	38	21	30	29	29	24
40080	Richmond-Berea	KY	PM25	Weighted Annual Mean	1	15.4	14.2	13.5	12.9	13	15.2	12.3	13.3	10.4	9.7	10.7	9.2	8.8	8.2	8.5	7.6	7.9
40080			PM25	98th Percentile	1	31	30	34	28	28	33	28	32	24	19	21	22	18	17	17	16	22
40140	Riverside-San Bernardino-Ontario	CA	CO	2nd Max	8	2.4	2.1	2.1	2.3	1.8	1.6	1.6	1.5	1.2	1.2	1.3	1.1	1.1	1.1	1.3	1.5	1.2
40140			NO2	Annual Mean	10	23	23	23	21	19	20	19	18	16	15	15	14	14	13	13	12	12
40140			NO2	98th Percentile	6	81	82	78	78	74	70	69	64	62	55	54	55	58	55	52	51	48
40140			O3	4th Max	17	0.101	0.109	0.108	0.113	0.102	0.101	0.103	0.1	0.103	0.094	0.092	0.094	0.093	0.089	0.089	0.092	0.093
40140			PM10	2nd Max	13	87.9	89.8	109.5	97.6	79.1	73.1	87.6	110.6	75.7	61.7	50	52.5	47.8	74.3	71.5	82.8	84.2
40140			PM25	Weighted Annual Mean	5	19.9	21	19.9	17.9	16.7	15.2	14.3	14.8	12.1	11.5	9.8	10.3	10.4	10.2	9.8	9.4	9.9
40140			PM25	98th Percentile	5	52	55	47	47	49	39	36	47	33	28	23	24	25	26	28	29	24
40140			Pb	rqmax	4	0.05	0.04	0.02	0.04	0.04	0.02	0.02	0.02	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
40140			SO2	99th Percentile	2	11	10	10	9	9	12	11	10	7	8	10	9	7	6	5	42	26
40180	Riverton	WY	PM10	2nd Max	1	49	43	57	50	50	51	47	39	47	47	42	39	54	39	51	35	30
40180			PM25	Weighted Annual Mean	1	9.6	9.6	9.6	8.1	9.6	7.7	7.7	7.5	7.8	8.3	9.3	7.8	7.8	7.8	6.7	6.2	6.8
40180			PM25	98th Percentile	1	33	33	33	26	40	30	23	26	23	35	32	30	25	29	26	20	22
40220	Roanoke	VA	NO2	Annual Mean	1	11	14	13	13	14	14	12	10	7	7	8	7	7	6	6	5	6
40220			NO2	98th Percentile	1	49	51	47	47	47	46	46	42	37	37	41	38	37	35	39	31	37
40220			O3	4th Max	1	0.081	0.089	0.091	0.077	0.071	0.076	0.076	0.076	0.071	0.064	0.073	0.067	0.07	0.057	0.06	0.062	0.064
40220			SO2	99th Percentile	1	19	18	19	17	16	15	22	17	12	10	10	9	5	5	6	5	4
40340	Rochester	MN	PM25	Weighted Annual Mean	1	11.8	12.1	10.4	10.1	8.9	11.3	10.8	10.3	10.1	9.6	9.3	9.8	7.8	7.9	6.9	7	6.2
40340			PM25	98th Percentile	1	36	30	24	27	28	33	30	27	27	36	29	26	19	21	20	17	17
40380	Rochester	NY	O3	4th Max	1	0.07	0.086	0.094	0.084	0.065	0.065	0.064	0.078	0.073	0.061	0.071	0.058	0.072	0.066	0.064	0.061	0.067
40540	Rock Springs	WY	PM10	2nd Max	16	47.5	48.9	69.1	58.1	58.8	55.8	53.1	58.4	57.9	49	48.2	44.8	69.5	51.9	70.1	56.1	44.6
40420	Rockford	IL	O3	4th Max	1	0.07	0.075	0.078	0.071	0.061	0.075	0.063	0.073	0.06	0.067	0.063	0.068	0.074	0.063	0.07	0.066	0.07
40500	Rockland	ME	O3	4th Max	1	0.07	0.091	0.088	0.082	0.074	0.075	0.072	0.082	0.061	0.069	0.07	0.068	0.062	0.076	0.062	0.067	0.063
40580	Rocky Mount	NC	O3	4th Max	1	0.085	0.085	0.095	0.088	0.072	0.079	0.074	0.08	0.075	0.066	0.072	0.072	0.071	0.064	0.062	0.061	0.064
40660	Rome	GA	SO2	99th Percentile	1	89	68	68	73	69	98	95	137	108	78	49	96	76	28	34	43	49
40860	Rutland	VT	CO	2nd Max	1	2.5	2.2	2.3	1.9	1.8	1.8	1.4	1.7	1.8	1.5	1.2	1.7	1.5	1.3	0.9	1.4	0.7
40860			NO2	Annual Mean	1	11	13	13	13	12	12	10	10	10	8	8	8	7	7	7	8	7
40860			NO2	98th Percentile	1	45	48	54	53	52	51	39	44	43	41	39	36	33	36	38	38	32
40860			PM25	Weighted Annual Mean	1	11.1	11.9	11.8	11.5	11.2	11.8	10.3	10.9	10.6	9.6	9.5	10.3	9	8.1	8.9	9.2	6.3
40860			PM25	98th Percentile	1	31	33	36	34	32	33	29	28	28	31	32	30	24	21	29	30	19
40860			SO2	99th Percentile	1	57	43	56	55	55	54	44	47	33	27	21	27	16	10	14	2	2
40900	Sacramento--Roseville--Arden-Arcade	CA	CO	2nd Max	3	4.5	4.1	3.1	3.2	2.9	3.1	3	2.5	2.2	2.2	1.5	2.1	1.8	1.9	1.6	1.7	1.7
40900			NO2	Annual Mean	6	13	12	12	11	11	10	11	10	9	9	7	8	7	8	6	6	5
40900			NO2	98th Percentile	5	51	53	51	48	43	43	44	42	42	37	37	37	36	36	34	32	31
40900			O3	4th Max	13	0.089	0.089	0.092	0.089	0.08	0.088	0.092	0.08	0.088	0.082	0.077	0.077	0.082	0.07	0.074	0.074	0.078
40900			PM10	2nd Max	6	61.3	59.7	56.8	46.8	58.8	56	60	53.3	67.2	38.8	39.8	45	33.5	47.3	35.2	36.1	34.3
40900			PM25	Weighted Annual Mean	4	11.5	11.3	12.4	10.2	10.4	9.9	10.7	9.9	10.7	8.8	7.1	9.1	7.4	8.7	7.7	8.8	7
40900			PM25	98th Percentile	4	48	50	49	32	34	36	38	39	36	28	23	35	18	28	20	26	19
40900			SO2	99th Percentile	1	21	21	9	9	6	5	7	5	4	3	1	2	2	3	5	8	9
41400	Salem	OH	PM10	2nd Max	1	128	109	90	71	67	77	72	52	48	45	41	39	36	30	37	43	28
41420	Salem	OR	O3	4th Max	1	0.059	0.057	0.063	0.072	0.062	0.063	0.075	0.06	0.066	0.069	0.057	0.057	0.063	0.055	0.062	0.065	0.065
41500	Salinas	CA	CO	2nd Max	1	1.4	1.4	1.2	1	1	0.8	0.9	1	0.8	0.9	0.8	0.9	1.3	0.8	1	0.9	0.9
41500			NO2	Annual Mean	1	7	7	7	6	7	8	7	7	7	6	6	6	5	5	5	5	4
41500			NO2	98th Percentile	1	35	35	38	33	37	39	37	35	34	34	31	34	35	36	32	28	24
41500			O3	4th Max	2	0.059	0.062	0.061	0.063	0.066	0.055	0.057	0.056	0.06	0.057	0.058	0.056	0.052	0.055	0.061	0.057	0.054
41500			PM25	Weighted Annual Mean	1	7.9	8.7	9.1	7.3	7	6.8	7.1	7	7.2	5.8	6.6	6.3	5.5	6.6	4.6	4.6	5.3
41500			PM25	98th Percentile	1	22	22	23	14	16	14	13	16	14	14	14	14	13	16	12	12	13
41540	Salisbury	MD-DE	O3	4th Max	2	0.09	0.09	0.093	0.087	0.077	0.086	0.081	0.081	0.08	0.068	0.084	0.076	0.085	0.069	0.065	0.067	0.069
41540			PM25	Weighted Annual Mean	1	14.3	14.4	13.8	12.5	13.4	14.1	12.8	13.2	12.2	9.7	9.9	8.7	8.2	8.5	8.4	8.2	7.3
41540			PM25	98th Percentile	1	36	42	44	31	35	35	33	33	27	20	27	24	22	23	18	23	15
41620	Salt Lake City	UT	CO	2nd Max	1	4.9	4.1	3.5	4.1	3.2	3.4	3	3.4	2.3	2.3	1.9	1.6	1.8	1.7	1.7	1.7	1.7
41620			NO2	Annual Mean	1	26	27	27	24	25	23	22	23	22	18	17	18	16	18	14	16	18
41620			NO2	98th Percentile	1	79	79	74	63	78	63	59	69	64	56	57	57	54	62	48	48	48
41620			O3	4th Max	2	0.09	0.079	0.084	0.079	0.072	0.084	0.082	0.081	0.075	0.074	0.072	0.074	0.079	0.076	0.068	0.073	0.069
41620			PM10	2nd Max	2	80.5	129.5	105	116	92	82.5	76	102	115.5	86	127.5	68	58.5	80	71.5	58	68
41620			PM25	Weighted Annual Mean	1	11	12.4	12.7	9.6	14.2	11	9.7	11.4	10.3	10.9	9.9	8.2	8.3	11.3	7.6	7.3	8.6
41620			PM25	98th Percentile	1	51	66	56	34	64	43	38	64	36	45	50	39	26	55	43	29	42
41700	San Antonio-New Braunfels	TX	NO2	Annual Mean	1	5	4	5	5	4	4	5	4	5	4	4	5	4	3	5	4	4
41700			NO2	98th Percentile	1	37	34	35	34	34	34	34	33	39	31	32	33	34	35	31	33	32
41700			O3	4th Max	3	0.08	0.079	0.093	0.082	0.085	0.082	0.083	0.071	0.075	0.07	0.072	0.075	0.079	0.076	0.068	0.076	0.067
41700			PM10	2nd Max	1	43	40	48	41	44	35	35	36	42	37	30	36	42	71	71	48	47
41740	San Diego-Carlsbad	CA	CO	2nd Max	1	4.7	4.4	3.8	7.2	3.6	2.8	3.3	3.2	2.5	3	2.4	2.2	2.1	2.3	1.8	1.9	1.9
41740			NO2	Annual Mean	5	17	17	17	17	16	16	16	15	15	13	13	12	12	11	10	10	9
41740			NO2	98th Percentile	4	65	66	65	67	63	57	58	55	58	51	47	45	44	43	45	43	42
41740			O3	4th Max	6	0.075	0.075	0.074	0.073	0.076	0.07	0.073	0.073	0.079	0.071	0.068	0.066	0.066	0.065	0.069	0.065	0.066
41740			PM10	2nd Max	2	50.5	58	45	94.5	42.5	44	46	54	41.5	49.5	38	32.5	33.5	38	37.5	33	36
41740			PM25	Weighted Annual Mean	2	14.5	16.5	15	14.3	13.1	12	11.3	12.9	13.3	12.5	10.1	10.1	10.4	10.3	9.6	9.2	9.4
41740			PM25	98th Percentile	2	42	37	40	38	36	35	28	44	31	24	21	20	22	21	23	22	22
41860	San Francisco-Oakland-Hayward	CA	CO	2nd Max	5	2.5	2.5	2	1.9	1.6	1.5	1.5	1.4	1.4	1.3	1.1	1.1	1	1.1	1.1	1.1	1
41860			NO2	Annual Mean	6	16	16	16	15	14	13	13	12	12	11	10	11	10	11	10	9	8
41860			NO2	98th Percentile	6	50	52	50	49	45	44	46	45	45	41	44	47	43	44	45	38	36
41860			O3	4th Max	7	0.06	0.065	0.066	0.067	0.063	0.058	0.066	0.059	0.067	0.066	0.063	0.062	0.059	0.058	0.066	0.064	0.061
41860			PM10	2nd Max	4	47	68.8	59.3	37.5	40.8	37	51	49.8	41.8	31.3	35.3	36.8	35	33.5	31.3	29	22.8
41860			PM25	Weighted Annual Mean	4	11.2	11.6	12.9	9.4	10	9.1	9.6	8.6	9.6	9	8.4	8.5	7.5	9.2	7.2	7.7	7.3
41860			PM25	98th Percentile	4	49	63	55	33	36	35	39	39	30	31	27	26	22	28	22	26	16
41860			SO2	99th Percentile	5	21	21	23	19	19	18	21	19	19	12	11	12	9	9	12	9	9
41940	San Jose-Sunnyvale-Santa Clara	CA	O3	4th Max	5	0.071	0.075	0.083	0.08	0.072	0.066	0.08	0.068	0.074	0.072	0.074	0.066	0.065	0.064	0.07	0.068	0.064
41980	San Juan-Carolina-Caguas	PR	CO	2nd Max	1	5.5	4.6	4.3	4.2	3.6	3.3	2.9	3.2	2.7	2.5	2.2	3.1	3.2	2.7	2.6	2.1	3.2
41980			PM10	2nd Max	4	81	82	75.8	84.8	87.3	105.8	100	101.5	89.3	80	135.8	64.5	94.5	67.8	78.8	92.3	75.5
41980			PM25	Weighted Annual Mean	1	9.5	9.8	9.6	8.5	7.4	8	8.1	7.4	6.3	7.1	6.7	6.3	7.7	6.7	6.8	6.8	8.2
41980			PM25	98th Percentile	1	18	18	19	17	16	19	18	16	19	20	17	14	18	12	14	16	21
42020	San Luis Obispo-Paso Robles-Arroyo Grande	CA	NO2	Annual Mean	3	8	8	8	7	6	5	6	6	5	5	4	4	4	4	4	4	4
42020			NO2	98th Percentile	3	42	41	42	39	37	38	37	36	34	34	30	32	34	33	32	31	30
42020			O3	4th Max	4	0.062	0.069	0.067	0.066	0.067	0.062	0.063	0.061	0.065	0.061	0.063	0.06	0.058	0.057	0.062	0.06	0.06
42020			PM25	Weighted Annual Mean	1	10.3	10.1	9.2	8.2	8.3	7.4	8.4	7.8	8.1	9.2	6.3	7.5	6	7.5	5.8	5.8	5.8
42020			PM25	98th Percentile	1	41	51	26	21	20	25	22	23	20	26	16	22	16	23	20	20	20
42020			SO2	99th Percentile	1	99	110	114	100	106	104	102	71	28	5	4	4	5	53	4	3	2
42100	Santa Cruz-Watsonville	CA	O3	4th Max	1	0.057	0.056	0.054	0.059	0.061	0.051	0.054	0.053	0.057	0.057	0.054	0.056	0.049	0.049	0.062	0.057	0.052
42100			PM25	Weighted Annual Mean	1	7.9	9.1	8.6	7.4	7.2	7	6.8	6.4	6.8	5.7	6.5	6.5	5.8	6.7	5.4	4.9	5.3
42100			PM25	98th Percentile	1	18	23	22	14	13	13	13	16	13	12	13	14	12	14	12	10	11
42140	Santa Fe	NM	PM10	2nd Max	1	27	28	37	41	21	35	28	30	26	34	27	62	19	21	24	24	24
42200	Santa Maria-Santa Barbara	CA	CO	2nd Max	4	1	1.2	1	0.8	0.7	0.7	0.9	1	0.9	0.6	0.5	0.5	0.6	0.6	0.5	0.5	1.9
42200			NO2	Annual Mean	10	6	5	5	5	5	5	4	4	4	4	3	3	3	3	3	3	2
42200			NO2	98th Percentile	9	26	24	23	25	22	21	20	20	20	17	17	16	16	16	15	13	12
42200			O3	4th Max	12	0.066	0.066	0.064	0.068	0.07	0.059	0.06	0.063	0.064	0.064	0.062	0.059	0.058	0.058	0.066	0.059	0.059
42200			PM25	Weighted Annual Mean	1	9.9	10.4	9.5	8.6	7.5	7.5	7.5	7.9	7.9	6.9	6.2	7.7	7.6	7.6	7.8	7.7	7
42200			PM25	98th Percentile	1	19	23	19	16	13	13	13	16	15	14	13	15	17	16	15	16	15
42200			SO2	99th Percentile	6	5	5	5	5	6	5	6	4	4	3	3	3	13	9	6	2	2
42220	Santa Rosa	CA	O3	4th Max	1	0.061	0.065	0.065	0.058	0.06	0.05	0.056	0.06	0.058	0.051	0.053	0.056	0.058	0.055	0.062	0.059	0.055
42220			PM10	2nd Max	3	32.3	35.7	29.3	25	25.3	27.3	27.7	26.7	31.3	22	26	34.7	26	26.7	35	47.7	39
42340	Savannah	GA	O3	4th Max	1	0.079	0.067	0.065	0.07	0.071	0.068	0.069	0.065	0.067	0.062	0.065	0.065	0.063	0.059	0.057	0.058	0.058
42340			PM25	Weighted Annual Mean	1	15.4	14.7	13.1	13.1	13.7	14.9	13.8	12.7	11.7	10.2	10.5	12.2	9.2	9	9.7	8.1	8.3
42340			PM25	98th Percentile	1	32	31	27	25	31	30	26	28	21	25	22	45	20	18	22	18	25
42340			SO2	99th Percentile	1	63	72	80	70	67	63	64	60	67	60	83	62	78	57	44	31	29
42540	Scranton--Wilkes-Barre--Hazleton	PA	CO	2nd Max	1	2.1	1.8	1.6	1.5	1.8	1.5	1.4	1.5	1	0.8	0.9	0.8	0.8	1.3	1	1.2	0.9
42540			NO2	Annual Mean	1	15	15	14	14	12	13	10	11	12	10	9	10	9	8	11	11	10
42540			NO2	98th Percentile	1	50	58	59	50	46	50	45	47	44	46	43	45	36	40	45	49	46
42540			O3	4th Max	3	0.074	0.087	0.092	0.076	0.072	0.08	0.071	0.075	0.075	0.061	0.07	0.068	0.071	0.065	0.06	0.068	0.068
42540			PM10	2nd Max	1	45	65	69	77	50	58	56	57	44	39	48	45	34	45	32	34	31
42540			PM25	Weighted Annual Mean	1	11.7	12.7	12.8	12.4	11.6	12.5	10.6	11.3	10.1	9.3	9.7	9.3	8.3	9.2	9.8	10.4	8.2
42540			PM25	98th Percentile	1	32	37	45	34	31	33	29	32	28	23	28	23	20	24	24	25	19
42540			SO2	99th Percentile	1	36	49	40	42	39	42	41	40	36	26	17	13	10	7	9	10	5
42660	Seattle-Tacoma-Bellevue	WA	O3	4th Max	5	0.06	0.059	0.06	0.07	0.064	0.055	0.066	0.059	0.057	0.061	0.056	0.053	0.059	0.053	0.057	0.061	0.055
42660			PM25	Weighted Annual Mean	4	11.9	10.7	10.5	9.8	10.3	10.3	9.2	8.8	8.5	8.9	7.2	7.5	7.6	8.7	7.9	7.9	6.2
42660			PM25	98th Percentile	4	38	34	35	31	32	32	31	32	28	33	21	24	22	27	25	27	19
42700	Sebring	FL	O3	4th Max	1	0.056	0.056	0.064	0.074	0.071	0.071	0.077	0.07	0.073	0.062	0.066	0.064	0.062	0.061	0.06	0.058	0.063
42860	Seneca	SC	O3	4th Max	1	0.082	0.079	0.094	0.079	0.075	0.075	0.065	0.076	0.072	0.066	0.069	0.061	0.064	0.053	0.064	0.06	0.067
42940	Sevierville	TN	O3	4th Max	2	0.098	0.092	0.102	0.083	0.075	0.079	0.083	0.088	0.08	0.071	0.078	0.079	0.072	0.065	0.067	0.066	0.068
42980	Seymour	IN	O3	4th Max	1	0.082	0.084	0.09	0.082	0.068	0.077	0.075	0.078	0.07	0.063	0.069	0.067	0.065	0.063	0.064	0.064	0.07
43100	Sheboygan	WI	O3	4th Max	1	0.09	0.102	0.105	0.093	0.078	0.097	0.083	0.088	0.075	0.074	0.085	0.084	0.093	0.078	0.072	0.081	0.085
43260	Sheridan	WY	PM25	Weighted Annual Mean	1	12.1	11	10.1	10.1	10	9.5	9.7	9.4	8	8.4	8.7	7.7	8.3	6.7	6.5	7.5	6.9
43260			PM25	98th Percentile	1	35	40	28	26	39	33	24	27	24	21	27	23	19	17	20	36	24
43340	Shreveport-Bossier City	LA	O3	4th Max	2	0.09	0.081	0.076	0.08	0.072	0.082	0.084	0.073	0.069	0.073	0.078	0.083	0.071	0.068	0.066	0.066	0.064
43420	Sierra Vista-Douglas	AZ	O3	4th Max	1	0.071	0.067	0.074	0.071	0.07	0.072	0.074	0.067	0.068	0.065	0.071	0.075	0.074	0.072	0.068	0.065	0.064
43420			PM25	Weighted Annual Mean	1	8.9	8.1	7.4	7.2	7.1	7.3	6.8	6.4	7	7.6	6.8	6.5	6.7	6.9	7.2	5.2	3.8
43420			PM25	98th Percentile	1	39	26	14	18	23	16	14	11	14	14	14	13	12	12	16	11	9
43620	Sioux Falls	SD	PM25	Weighted Annual Mean	1	9.3	10.4	9.2	10.4	10.1	10.7	9.7	9.6	9.4	9.1	9.2	8.7	8.7	8.6	7.7	7.7	7.7
43620			PM25	98th Percentile	1	26	22	22	24	21	26	22	28	26	22	28	22	21	22	19	19	19
43700	Somerset	KY	O3	4th Max	1	0.087	0.077	0.081	0.075	0.066	0.075	0.064	0.076	0.066	0.061	0.066	0.067	0.075	0.061	0.063	0.062	0.063
43760	Sonora	CA	O3	4th Max	1	0.085	0.079	0.09	0.087	0.075	0.081	0.079	0.084	0.098	0.077	0.072	0.074	0.075	0.07	0.075	0.076	0.088
43780	South Bend-Mishawaka	IN-MI	O3	4th Max	1	0.079	0.08	0.092	0.081	0.073	0.078	0.07	0.075	0.063	0.06	0.06	0.064	0.07	0.057	0.059	0.058	0.069
43900	Spartanburg	SC	O3	4th Max	1	0.089	0.09	0.093	0.079	0.082	0.082	0.085	0.083	0.085	0.067	0.076	0.081	0.063	0.065	0.065	0.067	0.069
44060	Spokane-Spokane Valley	WA	CO	2nd Max	1	4.9	4.7	5.2	4.6	3.8	4.1	3.3	2.9	2.4	2.8	1.9	2.3	1.9	2.3	1.8	2.9	1.8
44060			O3	4th Max	2	0.065	0.069	0.065	0.074	0.065	0.063	0.066	0.064	0.058	0.057	0.058	0.056	0.063	0.062	0.06	0.065	0.055
44100	Springfield	IL	SO2	99th Percentile	1	165	114	106	129	111	102	91	139	131	24	24	27	15	12	21	7	7
44140	Springfield	MA	CO	2nd Max	1	4	2.9	3.3	3	3.1	2.6	2.4	1.3	2.5	1.8	1.7	3	1.5	1.3	0.9	1.2	1.5
44140			NO2	Annual Mean	3	14	15	15	13	10	10	9	9	10	9	8	9	8	8	8	8	7
44140			NO2	98th Percentile	3	57	57	51	50	45	43	40	40	42	39	36	47	31	37	33	40	35
44140			O3	4th Max	3	0.075	0.089	0.096	0.073	0.074	0.086	0.083	0.088	0.077	0.074	0.073	0.067	0.073	0.066	0.065	0.067	0.07
44140			PM25	Weighted Annual Mean	2	12	12.5	12.4	11.6	10.8	11.6	10.1	11	10	8.6	8.5	8.8	8.3	7.4	5.9	6.9	5.9
44140			PM25	98th Percentile	2	33	35	41	36	28	28	32	29	27	26	25	24	19	18	17	18	15
44140			SO2	99th Percentile	2	38	35	30	34	32	37	24	24	20	20	9	15	10	9	6	5	4
44180	Springfield	MO	O3	4th Max	1	0.074	0.071	0.074	0.072	0.064	0.077	0.074	0.08	0.067	0.062	0.066	0.073	0.075	0.062	0.06	0.061	0.058
44180			PM25	Weighted Annual Mean	1	12.3	12.2	12.7	11.7	10.9	13	10.7	11.8	10.7	9.5	9.9	11.2	10.1	8.3	9.4	9.4	9.4
44180			PM25	98th Percentile	1	27	29	28	29	25	34	22	29	22	21	22	24	22	19	25	25	25
44180			SO2	99th Percentile	1	123	100	86	63	54	59	68	76	88	66	62	59	41	31	22	14	4
44220	Springfield	OH	O3	4th Max	2	0.087	0.083	0.097	0.083	0.076	0.084	0.075	0.078	0.075	0.072	0.075	0.077	0.076	0.069	0.065	0.07	0.071
44220			PM25	Weighted Annual Mean	1	14.8	14.8	15.1	14.1	13.5	16.7	13.1	14.6	12.7	12.4	13.1	12.3	10.4	10.1	10	8.9	8.4
44220			PM25	98th Percentile	1	37	37	34	31	32	42	31	37	29	26	30	28	22	24	25	20	17
44220			SO2	99th Percentile	1	45	44	43	47	42	50	39	31	24	27	28	22	18	17	19	13	6
41060	St. Cloud	MN	PM25	Weighted Annual Mean	1	10.8	10.8	9.2	8.9	8.2	9.3	7.9	8.3	8.9	8.7	8.2	8.9	8.4	6.4	6.2	5.8	5.6
41060			PM25	98th Percentile	1	26	26	24	23	27	25	18	20	23	28	28	25	20	22	19	17	16
41140	St. Joseph	MO-KS	PM10	2nd Max	1	80	90	64	63	77	66	68	65	86	72	92	83	86	76	61	74	59
41180	St. Louis	MO-IL	CO	2nd Max	1	2.7	2.7	2.6	2.4	2.5	2.2	2.4	1.6	2.2	1.6	1.5	1.3	1.5	1	1.4	1.2	1
41180			NO2	Annual Mean	2	20	20	19	18	17	15	15	15	14	13	12	11	13	11	11	10	10
41180			NO2	98th Percentile	2	63	60	60	58	54	54	62	54	48	50	48	46	46	47	43	43	40
41180			O3	4th Max	8	0.082	0.08	0.093	0.085	0.074	0.088	0.08	0.082	0.069	0.069	0.075	0.078	0.085	0.07	0.069	0.067	0.073
41180			PM25	Weighted Annual Mean	2	15.6	15	15.3	14.3	13.1	16	13.2	14	12.6	11.7	12.5	11.8	9.8	10.9	10.7	10.8	8.3
41180			PM25	98th Percentile	2	35	34	37	33	28	39	30	32	29	25	26	26	22	23	27	25	20
41180			Pb	rqmax	3	1.01	2.07	0.6	0.38	0.92	0.29	0.29	0.4	0.39	0.35	0.32	0.26	0.32	0.2	0.1	0.04	0.04
41180			SO2	99th Percentile	5	87	106	86	91	64	87	57	53	64	42	41	22	23	20	21	15	14
44300	State College	PA	NO2	Annual Mean	1	8	8	8	9	9	10	8	7	6	6	5	5	5	5	5	7	5
44300			O3	4th Max	1	0.079	0.086	0.09	0.082	0.074	0.083	0.078	0.074	0.074	0.064	0.073	0.073	0.075	0.063	0.063	0.064	0.063
44300			PM25	Weighted Annual Mean	1	13.7	13.7	11.8	13.6	13.3	13.4	11.4	11.9	10.8	9.4	9.1	9.5	9.8	8.6	8.7	8.4	7.2
44300			PM25	98th Percentile	1	41	41	36	35	38	40	32	33	30	23	26	29	23	21	20	21	17
44460	Steamboat Springs	CO	PM10	2nd Max	1	96	79	98	101	81	83	79	90	111	82	90	79	93	77	81	68	73
44700	Stockton-Lodi	CA	NO2	Annual Mean	1	21	19	21	18	17	17	18	16	17	15	14	15	14	16	13	12	12
44700			NO2	98th Percentile	1	68	68	64	65	54	58	60	56	63	54	49	51	52	57	54	48	45
44700			O3	4th Max	1	0.076	0.076	0.074	0.075	0.073	0.073	0.083	0.075	0.077	0.07	0.07	0.066	0.072	0.064	0.071	0.069	0.066
44700			PM10	2nd Max	2	81	92	71.5	56.5	49.5	69	71	64.5	75	50	45	51	51.5	63.5	52.5	39.5	41
44700			PM25	Weighted Annual Mean	1	15.5	13.9	16.7	13.6	13.2	12.5	13.1	12.9	14.4	11.3	10.6	11.3	12.4	17.7	12.1	12.8	11.8
44700			PM25	98th Percentile	1	55	58	50	41	36	44	42	48	62	40	30	45	34	56	45	39	32
45060	Syracuse	NY	O3	4th Max	1	0.074	0.085	0.091	0.081	0.066	0.077	0.071	0.081	0.07	0.061	0.073	0.069	0.074	0.065	0.063	0.063	0.067
45060			PM25	Weighted Annual Mean	1	11	10.5	11.1	9.9	10	11.5	8.3	8.2	8.2	7.6	7.6	8.1	7.2	6.4	6.5	6.3	5
45060			PM25	98th Percentile	1	24	36	39	23	25	35	19	21	22	21	23	24	16	16	16	17	12
45060			SO2	99th Percentile	1	26	19	16	20	22	19	16	16	13	14	10	9	7	5	5	4	3
45140	Tahlequah	OK	O3	4th Max	1	0.088	0.075	0.077	0.078	0.074	0.075	0.081	0.072	0.067	0.067	0.071	0.077	0.08	0.065	0.061	0.061	0.058
45180	Talladega-Sylacauga	AL	PM25	Weighted Annual Mean	1	18.2	14.6	14.1	15.4	13.9	14.2	14.3	14.3	12.1	11.5	11.7	12.4	10.3	9.2	9.3	10	8.6
45180			PM25	98th Percentile	1	45	31	30	31	35	34	34	35	29	24	21	25	21	17	19	22	14
45220	Tallahassee	FL	O3	4th Max	3	0.075	0.074	0.07	0.074	0.071	0.07	0.071	0.072	0.071	0.058	0.066	0.065	0.066	0.061	0.06	0.059	0.06
45220			PM25	Weighted Annual Mean	1	13.6	12.5	12.9	11.8	13	12.8	12.4	12.2	10.6	9.7	9.7	9.2	8.6	8.1	9.3	7.6	6.7
45220			PM25	98th Percentile	1	30	31	28	24	28	31	27	38	23	25	23	22	21	20	21	17	16
45300	Tampa-St. Petersburg-Clearwater	FL	CO	2nd Max	1	2.1	2.1	2.3	1.8	1.6	1.5	1.2	2.1	1.1	1.2	1.1	1	1.1	0.9	0.8	0.6	0.7
45300			NO2	Annual Mean	2	12	11	11	10	9	8	8	8	7	6	6	5	5	5	5	4	4
45300			NO2	98th Percentile	1	58	48	48	45	41	36	41	42	41	38	38	34	34	34	30	26	31
45300			O3	4th Max	8	0.08	0.08	0.069	0.077	0.074	0.075	0.074	0.076	0.075	0.064	0.067	0.071	0.066	0.066	0.064	0.062	0.064
45300			PM10	2nd Max	6	44.2	47.2	38.7	43	47.2	48.2	48	55.5	44.2	33.5	44.7	34.3	36.8	32	40.3	42.7	31.5
45300			PM25	Weighted Annual Mean	1	12.3	11.3	10.3	9.3	9.6	10.4	9.5	9.7	8	7.4	8.1	7.5	6.8	6.2	6.5	6.8	7
45300			PM25	98th Percentile	1	29	28	22	18	20	25	21	24	17	16	16	15	15	15	15	15	16
45300			SO2	99th Percentile	5	115	126	122	113	88	88	82	80	59	49	47	42	37	29	24	21	22
45460	Terre Haute	IN	O3	4th Max	2	0.079	0.083	0.091	0.073	0.065	0.07	0.066	0.075	0.063	0.06	0.063	0.069	0.071	0.064	0.059	0.063	0.068
45460			PM10	2nd Max	1	54	47	43	54	43	54	38	54	38	42	44	38	36	32	35	35	29
45460			PM25	Weighted Annual Mean	1	15.7	15.2	14.5	14.1	12.7	15.4	13	14.1	12.4	11.8	13	12.4	10.4	10.4	11.1	9.5	8.7
45460			PM25	98th Percentile	1	34	38	40	35	27	43	31	31	26	25	29	27	24	23	28	20	21
45460			SO2	99th Percentile	2	121	154	99	113	132	119	102	112	129	128	115	117	100	91	103	87	89
45500	Texarkana	TX-AR	PM25	Weighted Annual Mean	1	14.7	15.1	13.2	13.3	12	13.1	13.3	12.4	11.2	10.3	12	10.9	10.5	10.4	9.6	9.4	9.4
45500			PM25	98th Percentile	1	31	30	36	27	28	31	32	27	24	21	21	23	19	28	19	19	19
45780	Toledo	OH	O3	4th Max	4	0.076	0.085	0.092	0.09	0.074	0.084	0.073	0.079	0.072	0.069	0.067	0.069	0.079	0.065	0.066	0.063	0.066
45780			PM25	Weighted Annual Mean	2	15.6	15.6	14.9	14.4	13.3	15.8	12.6	14.5	12.1	11.1	11.3	10.7	10	9.6	10.4	9.9	8.4
45780			PM25	98th Percentile	2	38	38	38	37	32	44	27	34	31	25	28	25	21	21	27	24	18
45860	Torrington	CT	O3	4th Max	1	0.099	0.099	0.099	0.097	0.096	0.094	0.085	0.089	0.077	0.07	0.072	0.069	0.073	0.068	0.066	0.076	0.078
45900	Traverse City	MI	O3	4th Max	1	0.081	0.091	0.086	0.089	0.075	0.086	0.08	0.082	0.066	0.069	0.072	0.071	0.083	0.069	0.069	0.067	0.072
45940	Trenton	NJ	O3	4th Max	1	0.099	0.104	0.109	0.087	0.082	0.089	0.09	0.094	0.079	0.071	0.086	0.079	0.08	0.07	0.071	0.073	0.074
45940			PM25	Weighted Annual Mean	2	13.4	13.5	12.9	12.7	11.7	12.5	11.3	11.1	10.6	8.6	8.8	9.4	8.3	8.7	8.3	8	7.5
45940			PM25	98th Percentile	2	37	34	35	38	31	33	33	30	30	23	23	24	20	24	23	23	19
46020	Truckee-Grass Valley	CA	O3	4th Max	2	0.097	0.093	0.096	0.096	0.089	0.092	0.093	0.085	0.091	0.08	0.078	0.076	0.081	0.072	0.08	0.079	0.079
46060	Tucson	AZ	CO	2nd Max	4	3.1	2.2	2.1	2.2	1.8	1.8	1.6	1.4	1.2	1.1	1	1.1	1	0.9	0.9	1	0.9
46060			NO2	Annual Mean	2	17	16	17	17	16	15	15	13	12	11	11	12	12	10	10	9	8
46060			NO2	98th Percentile	2	56	53	54	53	52	47	47	48	47	42	43	45	44	42	40	38	33
46060			O3	4th Max	5	0.075	0.067	0.074	0.074	0.068	0.075	0.072	0.07	0.07	0.066	0.068	0.071	0.068	0.069	0.065	0.064	0.065
46060			PM10	2nd Max	6	76	91	88.8	87.7	67.3	53.2	74.2	70	84	73.8	44.8	69.5	65.3	90.5	83.5	38.8	48.7
46060			PM25	Weighted Annual Mean	2	7.3	7.2	6.5	6.5	5.7	6.1	5.8	5.8	5.5	5.4	5.1	5.7	5.7	5.7	5.9	4.7	5.6
46060			PM25	98th Percentile	2	12	18	18	13	11	11	12	13	12	11	11	13	11	14	15	10	15
46140	Tulsa	OK	NO2	Annual Mean	1	11	11	11	10	5	11	11	10	9	9	8	9	9	8	7	8	7
46140			O3	4th Max	4	0.084	0.08	0.081	0.083	0.071	0.08	0.082	0.072	0.071	0.071	0.071	0.083	0.084	0.07	0.064	0.065	0.064
46140			PM25	Weighted Annual Mean	1	12.4	12.4	11.8	11.9	10.6	12.2	10.4	12.2	11.4	10.7	10.7	11.2	9.7	9.3	9	8	9
46140			PM25	98th Percentile	1	30	30	32	27	27	31	23	27	23	23	22	24	20	21	21	17	23
46140			SO2	99th Percentile	2	80	88	64	70	109	71	62	58	65	46	48	51	40	31	11	10	15
46180	Tupelo	MS	O3	4th Max	1	0.084	0.081	0.08	0.076	0.069	0.076	0.076	0.073	0.068	0.063	0.068	0.064	0.067	0.061	0.059	0.058	0.061
46220	Tuscaloosa	AL	O3	4th Max	1	0.081	0.081	0.083	0.07	0.068	0.074	0.077	0.08	0.068	0.055	0.06	0.06	0.058	0.059	0.057	0.062	0.061
46340	Tyler	TX	NO2	Annual Mean	1	6	5	5	4	3	5	4	4	4	4	4	4	3	3	3	2	2
46340			NO2	98th Percentile	1	30	30	26	26	25	26	24	26	19	19	26	23	19	17	14	15	17
46340			O3	4th Max	1	0.087	0.082	0.084	0.079	0.081	0.083	0.082	0.077	0.072	0.075	0.072	0.078	0.076	0.071	0.066	0.066	0.063
46380	Ukiah	CA	O3	4th Max	1	0.053	0.052	0.06	0.06	0.055	0.057	0.06	0.053	0.061	0.053	0.047	0.043	0.057	0.055	0.052	0.053	0.048
46380			PM25	Weighted Annual Mean	1	7.2	8	9.1	7.4	7	6.2	6.8	4.7	7.9	11.6	6.5	7.6	4.9	5.2	5.5	8.6	6.4
46380			PM25	98th Percentile	1	19	27	40	15	14	15	17	13	31	20	14	15	15	15	14	22	16
46520	Urban Honolulu	HI	CO	2nd Max	2	1.4	1.5	1.6	1.1	1	1.1	0.9	0.8	0.9	1.1	0.8	0.9	0.9	1.1	1.2	1.3	1.2
46520			NO2	Annual Mean	1	5	5	5	5	5	5	5	5	4	4	3	3	3	3	3	4	4
46520			O3	4th Max	1	0.044	0.042	0.043	0.038	0.046	0.042	0.04	0.033	0.041	0.048	0.047	0.046	0.043	0.047	0.057	0.049	0.048
46520			PM10	2nd Max	2	92.5	66.5	53	48	65	63.5	43.5	37	43	39.5	57.5	40.5	30.5	32	32.5	35.5	34
46520			PM25	Weighted Annual Mean	4	4.6	4.5	4.4	4.5	4	4.2	4.1	4	5	5.5	5.8	6	6.1	4.9	4.2	4.6	3.2
46520			PM25	98th Percentile	4	11	10	9	10	8	10	9	8	15	12	14	13	14	12	10	12	11
46520			SO2	99th Percentile	2	10	9	10	12	15	19	11	14	14	12	16	7	12	8	8	12	8
46540	Utica-Rome	NY	O3	4th Max	1	0.067	0.076	0.079	0.075	0.064	0.068	0.067	0.075	0.069	0.067	0.065	0.058	0.065	0.061	0.057	0.061	0.071
46540			SO2	99th Percentile	1	12	13	11	11	11	10	9	11	8	8	4	5	3	3	5	4	3
46700	Vallejo-Fairfield	CA	CO	2nd Max	1	5	4.1	3.7	2.9	3.1	3	2.7	2.6	2	2.2	1.9	2.4	2.1	2	2	1.8	1.8
46700			NO2	Annual Mean	1	13	13	13	12	12	11	12	11	10	10	9	10	9	10	8	8	7
46700			NO2	98th Percentile	1	46	45	45	44	43	43	43	43	45	39	39	43	41	43	43	38	36
46700			O3	4th Max	2	0.063	0.069	0.068	0.071	0.067	0.056	0.067	0.058	0.068	0.067	0.065	0.065	0.062	0.058	0.064	0.066	0.063
46700			PM10	2nd Max	1	44	70	43	27	40	32	46	28	39	25	32	25	25	30	25	30	23
46700			PM25	Weighted Annual Mean	1	11.6	12.5	14	9.4	11.1	9.7	9.8	9.8	9.9	9.7	7.7	9.8	9	9.9	9.9	9.6	7.4
46700			PM25	98th Percentile	1	60	78	71	27	39	41	41	40	41	37	26	31	21	33	24	31	19
46700			SO2	99th Percentile	1	12	12	11	10	13	10	11	9	8	7	7	5	4	4	7	4	5
47020	Victoria	TX	O3	4th Max	1	0.079	0.073	0.078	0.084	0.075	0.071	0.071	0.066	0.062	0.068	0.068	0.074	0.066	0.062	0.062	0.07	0.064
47220	Vineland-Bridgeton	NJ	O3	4th Max	1	0.094	0.101	0.101	0.085	0.083	0.085	0.083	0.083	0.079	0.072	0.077	0.066	0.084	0.061	0.067	0.068	0.069
47260	Virginia Beach-Norfolk-Newport News	VA-NC	O3	4th Max	2	0.083	0.08	0.095	0.081	0.075	0.078	0.074	0.077	0.078	0.065	0.074	0.075	0.069	0.065	0.061	0.061	0.062
47260			PM10	2nd Max	1	39	34	38	31	33	37	39	36	69	35	37	58	32	21	23	24	22
47260			PM25	Weighted Annual Mean	2	13.5	13.2	12.5	12.8	12.6	13	12.5	11.3	12.7	9.3	10	10.1	8.2	7.6	8	7.8	6.6
47260			PM25	98th Percentile	2	29	30	35	32	28	30	32	28	49	19	23	32	22	17	18	18	14
47300	Visalia-Porterville	CA	NO2	Annual Mean	1	18	18	19	18	16	16	14	15	14	15	13	12	12	13	10	10	9
47300			NO2	98th Percentile	1	66	66	81	74	62	60	57	59	68	57	56	50	53	53	54	46	46
47300			O3	4th Max	3	0.098	0.1	0.106	0.102	0.094	0.1	0.098	0.092	0.106	0.09	0.089	0.085	0.09	0.084	0.084	0.086	0.085
47300			PM10	2nd Max	1	127	122	105	89	76	87	132	88	91	87	71	72	72	122	99	99	99
47300			PM25	Weighted Annual Mean	1	23.9	22.5	23.2	18.2	17	18.8	18.8	20.4	19.8	16	13.6	16.1	14.8	18.9	17.9	16.1	14.7
47300			PM25	98th Percentile	1	103	96	70	47	54	65	50	60	62	54	36	51	54	63	75	46	41
47500	Walterboro	SC	O3	4th Max	1	0.08	0.078	0.085	0.069	0.071	0.072	0.078	0.072	0.07	0.06	0.069	0.063	0.057	0.05	0.059	0.054	0.057
47580	Warner Robins	GA	PM25	Weighted Annual Mean	1	12.4	12.4	12.4	13	14.4	13.9	14.5	15.4	11.7	10.4	12.2	11.4	9.5	8.7	9.4	8.6	7.9
47580			PM25	98th Percentile	1	27	27	27	26	34	28	26	43	27	24	26	23	19	18	20	18	19
47620	Warren	PA	SO2	99th Percentile	1	207	241	306	262	190	254	235	153	146	113	109	94	109	123	118	114	114
47780	Washington	IN	SO2	99th Percentile	1	120	119	119	107	131	91	135	112	122	138	115	100	78	150	107	93	22
47900	Washington-Arlington-Alexandria	DC-VA-MD-WV	CO	2nd Max	3	3.7	4	3.4	3.2	2.7	2.2	2.6	2	2	2.3	2.3	1.9	1.9	1.8	1.5	1.9	1.9
47900			NO2	Annual Mean	5	17	19	19	20	18	17	15	13	12	12	12	11	11	9	9	10	10
47900			NO2	98th Percentile	4	56	57	55	58	55	53	49	48	45	44	46	41	39	40	40	41	39
47900			O3	4th Max	12	0.083	0.093	0.098	0.085	0.08	0.083	0.087	0.084	0.078	0.067	0.081	0.079	0.078	0.066	0.065	0.068	0.069
47900			PM10	2nd Max	1	36	38	43	36	39	38	48	39	39	28	40	28	29	21	21	27	21
47900			PM25	Weighted Annual Mean	6	14.6	14.5	14.3	13.3	14	14.6	12.6	12.9	11.6	9.8	10.4	9.9	9.5	8.5	8.8	9	7.6
47900			PM25	98th Percentile	6	38	37	37	36	35	35	32	30	28	23	24	24	22	21	20	21	18
47940	Waterloo-Cedar Falls	IA	O3	4th Max	1	0.078	0.069	0.069	0.07	0.063	0.07	0.064	0.068	0.065	0.06	0.063	0.066	0.068	0.06	0.061	0.059	0.062
48060	Watertown-Fort Drum	NY	O3	4th Max	1	0.072	0.102	0.1	0.089	0.07	0.083	0.072	0.083	0.071	0.068	0.077	0.069	0.077	0.066	0.059	0.065	0.068
48140	Wausau	WI	O3	4th Max	1	0.073	0.072	0.073	0.074	0.065	0.075	0.066	0.072	0.064	0.06	0.06	0.065	0.069	0.063	0.064	0.063	0.064
48260	Weirton-Steubenville	WV-OH	CO	2nd Max	3	6	5.3	7.7	6.9	6.4	2.8	2.5	1.8	2.1	1	0.8	0.9	0.8	0.9	0.7	0.7	0.6
48260			O3	4th Max	1	0.072	0.083	0.1	0.077	0.073	0.075	0.077	0.079	0.077	0.067	0.076	0.073	0.076	0.069	0.065	0.065	0.065
48260			PM10	2nd Max	5	66	75	76.6	85.6	88.6	71	63	68	54.4	41.8	52.6	43.2	43.6	36.6	37.6	39.6	36.2
48260			PM25	Weighted Annual Mean	3	16.8	17	16.5	16.8	16	17	14.5	16.2	13.9	11.8	13.4	12	10.6	10.4	10.5	10.5	9.2
48260			PM25	98th Percentile	3	42	45	49	39	46	42	34	45	37	25	31	28	22	27	23	24	21
48260			SO2	99th Percentile	9	176	172	148	181	152	140	138	148	147	113	81	68	52	34	32	32	35
48540	Wheeling	WV-OH	PM25	Weighted Annual Mean	1	16.4	16	15.6	15.4	14.4	16.2	14.5	15	13.1	12.2	14.1	12.6	11.8	10.4	11.1	10.6	9
48540			PM25	98th Percentile	1	34	39	40	33	35	32	35	38	29	26	34	29	24	23	22	24	22
48540			SO2	99th Percentile	2	191	203	151	156	152	174	136	138	109	68	82	63	50	41	38	36	21
48580	Whitewater-Elkhorn	WI	O3	4th Max	1	0.076	0.088	0.084	0.081	0.069	0.083	0.072	0.075	0.064	0.069	0.065	0.069	0.077	0.067	0.073	0.067	0.072
48620	Wichita	KS	NO2	Annual Mean	2	8	8	7	8	8	8	7	7	7	6	6	9	8	7	6	6	5
48620			O3	4th Max	2	0.081	0.083	0.079	0.079	0.06	0.076	0.077	0.065	0.068	0.073	0.075	0.079	0.081	0.071	0.068	0.065	0.062
48620			PM10	2nd Max	3	80.7	71.3	62.3	50.3	45.7	47.3	72	54.3	61	49.7	53.7	69.7	86.7	74.7	104.7	61	76.3
48620			PM25	Weighted Annual Mean	3	11.3	11	10.5	10.8	10.3	11.1	8.4	10.2	9.3	8.8	8.6	9.3	8.7	8.7	9.1	7.8	7
48620			PM25	98th Percentile	3	25	24	28	24	24	30	19	25	22	19	20	27	18	20	28	23	17
48700	Williamsport	PA	O3	4th Max	1	0.091	0.091	0.091	0.083	0.074	0.082	0.073	0.077	0.082	0.064	0.073	0.063	0.071	0.065	0.062	0.065	0.065
48700			PM10	2nd Max	1	55	55	55	41	41	39	38	31	41	35	36	32	27	22	20	27	27
48780	Williston	ND	SO2	99th Percentile	2	42	55	74	55	73	97	53	47	44	50	52	72	98	154	98	52	34
48900	Wilmington	NC	O3	4th Max	1	0.08	0.078	0.08	0.076	0.07	0.075	0.072	0.071	0.063	0.06	0.062	0.064	0.064	0.064	0.063	0.057	0.06
48900			SO2	99th Percentile	1	80	141	117	109	107	55	102	106	117	99	114	54	47	45	3	4	3
48940	Wilmington	OH	O3	4th Max	1	0.097	0.093	0.099	0.096	0.078	0.083	0.081	0.082	0.076	0.07	0.076	0.084	0.086	0.064	0.07	0.07	0.07
49020	Winchester	VA-WV	O3	4th Max	1	0.079	0.086	0.091	0.079	0.066	0.075	0.074	0.072	0.073	0.062	0.071	0.067	0.07	0.06	0.059	0.061	0.065
49020			PM10	2nd Max	1	43	41	50	33	39	37	38	45	36	28	32	28	28	19	17	23	24
49180	Winston-Salem	NC	CO	2nd Max	1	3.7	3.5	3.4	3.1	3.1	2.5	2.4	1.8	1.9	1.7	1.9	2.1	1.2	1.7	1.5	1.3	1.3
49180			NO2	Annual Mean	1	16	16	14	15	13	10	10	11	11	10	9	8	9	6	6	6	7
49180			O3	4th Max	3	0.088	0.095	0.095	0.081	0.075	0.077	0.077	0.08	0.079	0.067	0.078	0.073	0.076	0.063	0.065	0.066	0.066
49180			PM10	2nd Max	1	56	58	48	52	49	48	44	44	36	31	35	30	30	26	28	44	33
49180			PM25	Weighted Annual Mean	2	17.4	16.1	15	14.5	15	14.9	14.7	14.1	12.9	10.1	11.4	10.2	9.6	8.8	9.4	8.4	8
49180			PM25	98th Percentile	2	37	37	33	34	30	33	31	30	25	21	23	20	19	19	20	19	17
49180			SO2	99th Percentile	1	67	73	107	71	98	88	77	67	27	18	15	9	11	5	13	9	6
49340	Worcester	MA-CT	O3	4th Max	1	0.076	0.088	0.091	0.08	0.074	0.085	0.077	0.089	0.081	0.077	0.07	0.065	0.07	0.067	0.065	0.063	0.066
49340			PM25	Weighted Annual Mean	1	11.8	13.2	11.4	10.8	10.2	11.3	9.7	11.1	9.8	8.5	8.2	8.6	8.2	6.7	5.6	6.3	5.4
49340			PM25	98th Percentile	1	27	33	34	32	31	31	28	31	28	23	21	22	20	15	13	16	13
49420	Yakima	WA	PM10	2nd Max	1	58	63	67	64	91	59	45	52	51	50	36	43	54	55	41	37	37
49420			PM25	Weighted Annual Mean	1	10.5	10.5	10.2	10.2	10.9	10.5	10.1	9.7	9.9	9.5	8.5	8.7	9	8.5	8.1	9.6	8.6
49420			PM25	98th Percentile	1	38	38	35	35	44	41	38	35	37	39	35	30	27	28	29	32	31
49620	York-Hanover	PA	CO	2nd Max	1	1.9	2.2	2.2	1.7	1.8	1.4	1.8	1.4	1.2	1.4	1.1	1.2	1.2	1.2	0.6	0.9	0.9
49620			NO2	Annual Mean	1	18	20	17	17	16	18	16	15	14	13	13	13	12	10	11	10	10
49620			NO2	98th Percentile	1	65	66	63	56	54	63	56	53	48	48	53	49	44	39	45	52	52
49620			O3	4th Max	1	0.09	0.087	0.101	0.081	0.077	0.089	0.077	0.084	0.081	0.068	0.073	0.074	0.076	0.068	0.063	0.068	0.069
49620			PM10	2nd Max	1	53	73	85	77	53	67	62	58	51	40	70	54	45	43	43	37	37
49620			PM25	Weighted Annual Mean	1	16.7	16.7	17.8	17.4	16.4	18	14.4	15.8	13.6	11.7	11.3	11.6	12	10.2	9.8	10.3	9.5
49620			PM25	98th Percentile	1	41	41	53	47	36	39	35	37	32	27	30	28	28	31	25	27	21
49620			SO2	99th Percentile	1	78	48	58	52	108	112	93	107	96	89	27	34	19	23	26	30	18
49660	Youngstown-Warren-Boardman	OH-PA	O3	4th Max	4	0.086	0.093	0.099	0.088	0.077	0.085	0.078	0.081	0.076	0.068	0.074	0.074	0.081	0.066	0.067	0.068	0.065
49660			PM10	2nd Max	4	50	54.5	50	48.8	41.8	55.5	40.3	45.3	41.5	35.5	44.3	31.5	32	31.3	26	32	30
49660			PM25	Weighted Annual Mean	2	15.5	15.7	14.4	14.1	13.8	15.3	12.4	13.7	12.4	10.8	11.7	10.4	10.8	10.3	9.8	10.2	8.1
49660			PM25	98th Percentile	2	39	44	37	33	34	40	30	35	31	25	30	25	23	23	22	25	18
49660			SO2	99th Percentile	1	89	97	59	75	55	71	60	58	60	54	48	40	43	27	44	32	13
49700	Yuba City	CA	NO2	Annual Mean	1	13	14	15	14	12	12	12	12	12	9	8	8	10	10	8	7	7
49700			NO2	98th Percentile	1	62	62	62	62	52	51	53	47	54	47	45	44	46	52	44	39	39
49700			O3	4th Max	2	0.081	0.077	0.09	0.085	0.076	0.075	0.084	0.075	0.078	0.069	0.067	0.07	0.073	0.066	0.072	0.068	0.072
49700			PM25	Weighted Annual Mean	1	10.6	11.9	13.1	9.5	10	9.5	11.3	8.2	10.7	7.9	5.9	8	6.9	8.2	9.4	9.6	8.1
49700			PM25	98th Percentile	1	38	54	34	29	38	42	41	34	65	28	17	37	24	25	25	31	22

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Check Air Pollution Trends in your City

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Meaning of following terms in above report:
CBSA means Core-Based Statistical Area
CO  2nd Max  -  Second maximum non-overlapping 8-hour concentration (ppm)
Pb Max 3-Month Average  -  Maximum rolling 3-month average (µg/m3)
NO2  Annual Mean  -  Arithmetic mean concentration of hourly concentrations (ppb)
NO2  98th Percentile   -  98th percentile of daily maximum 1-hour concentration (ppb)
O3  4th Max  -  Fourth highest daily maximum 8-hour concentration (ppm)
PM10  2nd Max - Second maximum 24-hour concentration (µg/m3)
PM2.5  Weighted Annual Mean  -  Weighted annual mean concentration (µg/m3)
PM2.5  98th Percentile  -  98th percentile of 24-hour concentration (µg/m3)
SO2   99th percentile  -  99th percentile of daily maximum 1-hour concentration (ppb)

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Reference:

• https://www.epa.gov/air-trends/air-quality-cities-and-counties
• https://www.epa.gov/sites/production/files/2017-07/airqualitytrendsbycity2000-2016.xlsx