8-Hour Ozone (2008) Nonattainment Areas by State/County/Area

Data is current as of March 31, 2024

Click underlined column heading to change report order

State	County	Area Name	County NA Whole/Part	2010 Population	State/ County FIPS
			click link for partial county description	whole or partial county population
ARIZONA	Maricopa County	Phoenix-Mesa, AZ	Part	3,802,415	04/013
ARIZONA	Pinal County	Phoenix-Mesa, AZ	Part	47,212	04/021
CALIFORNIA	Alameda County	San Francisco Bay Area, CA	Whole	1,510,271	06/001
CALIFORNIA	Butte County	Chico (Butte County), CA	Whole	220,000	06/007
CALIFORNIA	Calaveras County	Calaveras County, CA	Whole	45,578	06/009
CALIFORNIA	Contra Costa County	San Francisco Bay Area, CA	Whole	1,049,025	06/013
CALIFORNIA	El Dorado County	Sacramento Metro, CA	Part	150,517	06/017
CALIFORNIA	Fresno County	San Joaquin Valley, CA	Whole	930,450	06/019
CALIFORNIA	Imperial County	Imperial County, CA	Whole	174,528	06/025
CALIFORNIA	Kern County	Kern County (Eastern Kern), CA	Part	95,176	06/029
CALIFORNIA	Kern County	San Joaquin Valley, CA	Part	710,337	06/029
CALIFORNIA	Kings County	San Joaquin Valley, CA	Whole	152,982	06/031
CALIFORNIA	Los Angeles County	Los Angeles-San Bernardino Counties (West Mojave Desert), CA	Part	378,742	06/037
CALIFORNIA	Los Angeles County	Los Angeles-South Coast Air Basin, CA	Part	9,442,967	06/037
CALIFORNIA	Madera County	San Joaquin Valley, CA	Whole	150,865	06/039
CALIFORNIA	Marin County	San Francisco Bay Area, CA	Whole	252,409	06/041
CALIFORNIA	Mariposa County	Mariposa County, CA	Whole	18,251	06/043
CALIFORNIA	Merced County	San Joaquin Valley, CA	Whole	255,793	06/047
CALIFORNIA	Napa County	San Francisco Bay Area, CA	Whole	136,484	06/055
CALIFORNIA	Nevada County	Nevada County (Western part), CA	Part	82,107	06/057
CALIFORNIA	Orange County	Los Angeles-South Coast Air Basin, CA	Whole	3,010,232	06/059
CALIFORNIA	Placer County	Sacramento Metro, CA	Part	338,093	06/061
CALIFORNIA	Riverside County	Los Angeles-South Coast Air Basin, CA	Part	1,739,657	06/065
CALIFORNIA	Riverside County	Morongo Band of Mission Indians, CA	Part	913	06/065
CALIFORNIA	Riverside County	Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA	Part	2,730	06/065
CALIFORNIA	Riverside County	Riverside County (Coachella Valley), CA	Part	425,806	06/065
CALIFORNIA	Sacramento County	Sacramento Metro, CA	Whole	1,418,788	06/067
CALIFORNIA	San Bernardino County	Los Angeles-San Bernardino Counties (West Mojave Desert), CA	Part	489,638	06/071
CALIFORNIA	San Bernardino County	Los Angeles-South Coast Air Basin, CA	Part	1,526,629	06/071
CALIFORNIA	San Diego County	Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA	Part	114	06/073
CALIFORNIA	San Diego County	San Diego County, CA	Part	3,095,199	06/073
CALIFORNIA	San Francisco County	San Francisco Bay Area, CA	Whole	805,235	06/075
CALIFORNIA	San Joaquin County	San Joaquin Valley, CA	Whole	685,306	06/077
CALIFORNIA	San Luis Obispo County	San Luis Obispo (Eastern San Luis Obispo), CA	Part	1,649	06/079
CALIFORNIA	San Mateo County	San Francisco Bay Area, CA	Whole	718,451	06/081
CALIFORNIA	Santa Clara County	San Francisco Bay Area, CA	Whole	1,781,642	06/085
CALIFORNIA	Solano County	Sacramento Metro, CA	Part	129,377	06/095
CALIFORNIA	Solano County	San Francisco Bay Area, CA	Part	285,082	06/095
CALIFORNIA	Sonoma County	San Francisco Bay Area, CA	Part	434,421	06/097
CALIFORNIA	Stanislaus County	San Joaquin Valley, CA	Whole	514,453	06/099
CALIFORNIA	Sutter County	Sacramento Metro, CA	Part	3,433	06/101
CALIFORNIA	Tehama County	Tuscan Buttes, CA	Part	0	06/103
CALIFORNIA	Tulare County	San Joaquin Valley, CA	Whole	442,179	06/107
CALIFORNIA	Ventura County	Ventura County, CA	Part	823,262	06/111
CALIFORNIA	Yolo County	Sacramento Metro, CA	Whole	200,849	06/113
COLORADO	Adams County	Denver-Boulder-Greeley-Ft. Collins-Loveland, CO	Whole	441,603	08/001
COLORADO	Arapahoe County	Denver-Boulder-Greeley-Ft. Collins-Loveland, CO	Whole	572,003	08/005
COLORADO	Boulder County	Denver-Boulder-Greeley-Ft. Collins-Loveland, CO	Whole	294,567	08/013
COLORADO	Broomfield County	Denver-Boulder-Greeley-Ft. Collins-Loveland, CO	Whole	55,889	08/014
COLORADO	Denver County	Denver-Boulder-Greeley-Ft. Collins-Loveland, CO	Whole	600,158	08/031
COLORADO	Douglas County	Denver-Boulder-Greeley-Ft. Collins-Loveland, CO	Whole	285,465	08/035
COLORADO	Jefferson County	Denver-Boulder-Greeley-Ft. Collins-Loveland, CO	Whole	534,543	08/059
COLORADO	Larimer County	Denver-Boulder-Greeley-Ft. Collins-Loveland, CO	Part	294,389	08/069
COLORADO	Weld County	Denver-Boulder-Greeley-Ft. Collins-Loveland, CO	Part	251,522	08/123
CONNECTICUT	Fairfield County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	916,829	09/001
CONNECTICUT	Hartford County	Greater Connecticut, CT	Whole	894,014	09/003
CONNECTICUT	Litchfield County	Greater Connecticut, CT	Whole	189,927	09/005
CONNECTICUT	Middlesex County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	165,676	09/007
CONNECTICUT	New Haven County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	862,477	09/009
CONNECTICUT	New London County	Greater Connecticut, CT	Whole	274,055	09/011
CONNECTICUT	Tolland County	Greater Connecticut, CT	Whole	152,691	09/013
CONNECTICUT	Windham County	Greater Connecticut, CT	Whole	118,428	09/015
DELAWARE	New Castle County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	538,479	10/003
DELAWARE	Sussex County	Seaford, DE	Whole	197,145	10/005
MARYLAND	Anne Arundel County	Baltimore, MD	Whole	537,656	24/003
MARYLAND	Baltimore County	Baltimore, MD	Whole	805,029	24/005
MARYLAND	Baltimore city	Baltimore, MD	Whole	620,961	24/510
MARYLAND	Carroll County	Baltimore, MD	Whole	167,134	24/013
MARYLAND	Cecil County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	101,108	24/015
MARYLAND	Harford County	Baltimore, MD	Whole	244,826	24/025
MARYLAND	Howard County	Baltimore, MD	Whole	287,085	24/027
MASSACHUSETTS	Dukes County	Dukes County, MA	Whole	16,535	25/007
NEW JERSEY	Atlantic County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	274,549	34/001
NEW JERSEY	Bergen County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	905,116	34/003
NEW JERSEY	Burlington County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	448,734	34/005
NEW JERSEY	Camden County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	513,657	34/007
NEW JERSEY	Cape May County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	97,265	34/009
NEW JERSEY	Cumberland County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	156,898	34/011
NEW JERSEY	Essex County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	783,969	34/013
NEW JERSEY	Gloucester County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	288,288	34/015
NEW JERSEY	Hudson County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	634,266	34/017
NEW JERSEY	Hunterdon County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	128,349	34/019
NEW JERSEY	Mercer County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	366,513	34/021
NEW JERSEY	Middlesex County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	809,858	34/023
NEW JERSEY	Monmouth County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	630,380	34/025
NEW JERSEY	Morris County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	492,276	34/027
NEW JERSEY	Ocean County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	576,567	34/029
NEW JERSEY	Passaic County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	501,226	34/031
NEW JERSEY	Salem County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	66,083	34/033
NEW JERSEY	Somerset County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	323,444	34/035
NEW JERSEY	Sussex County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	149,265	34/037
NEW JERSEY	Union County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	536,499	34/039
NEW JERSEY	Warren County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	108,692	34/041
NEW YORK	Bronx County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	1,385,108	36/005
NEW YORK	Chautauqua County	Jamestown, NY	Whole	134,905	36/013
NEW YORK	Kings County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	2,504,700	36/047
NEW YORK	Nassau County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	1,339,532	36/059
NEW YORK	New York County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	1,585,873	36/061
NEW YORK	Queens County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	2,230,722	36/081
NEW YORK	Richmond County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	468,730	36/085
NEW YORK	Rockland County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	311,687	36/087
NEW YORK	Suffolk County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	1,493,350	36/103
NEW YORK	Westchester County	New York-N. New Jersey-Long Island, NY-NJ-CT	Whole	949,113	36/119
PENNSYLVANIA	Allegheny County	Pittsburgh-Beaver Valley, PA	Whole	1,223,348	42/003
PENNSYLVANIA	Armstrong County	Pittsburgh-Beaver Valley, PA	Whole	68,941	42/005
PENNSYLVANIA	Beaver County	Pittsburgh-Beaver Valley, PA	Whole	170,539	42/007
PENNSYLVANIA	Berks County	Reading, PA	Whole	411,442	42/011
PENNSYLVANIA	Bucks County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	625,249	42/017
PENNSYLVANIA	Butler County	Pittsburgh-Beaver Valley, PA	Whole	183,862	42/019
PENNSYLVANIA	Carbon County	Allentown-Bethlehem-Easton, PA	Whole	65,249	42/025
PENNSYLVANIA	Chester County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	498,886	42/029
PENNSYLVANIA	Delaware County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	558,979	42/045
PENNSYLVANIA	Fayette County	Pittsburgh-Beaver Valley, PA	Whole	136,606	42/051
PENNSYLVANIA	Lancaster County	Lancaster, PA	Whole	519,445	42/071
PENNSYLVANIA	Lehigh County	Allentown-Bethlehem-Easton, PA	Whole	349,497	42/077
PENNSYLVANIA	Montgomery County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	799,874	42/091
PENNSYLVANIA	Northampton County	Allentown-Bethlehem-Easton, PA	Whole	297,735	42/095
PENNSYLVANIA	Philadelphia County	Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE	Whole	1,526,006	42/101
PENNSYLVANIA	Washington County	Pittsburgh-Beaver Valley, PA	Whole	207,820	42/125
PENNSYLVANIA	Westmoreland County	Pittsburgh-Beaver Valley, PA	Whole	365,169	42/129
TEXAS	Brazoria County	Houston-Galveston-Brazoria, TX	Whole	313,166	48/039
TEXAS	Chambers County	Houston-Galveston-Brazoria, TX	Whole	35,096	48/071
TEXAS	Collin County	Dallas-Fort Worth, TX	Whole	782,341	48/085
TEXAS	Dallas County	Dallas-Fort Worth, TX	Whole	2,368,139	48/113
TEXAS	Denton County	Dallas-Fort Worth, TX	Whole	662,614	48/121
TEXAS	Ellis County	Dallas-Fort Worth, TX	Whole	149,610	48/139
TEXAS	Fort Bend County	Houston-Galveston-Brazoria, TX	Whole	585,375	48/157
TEXAS	Galveston County	Houston-Galveston-Brazoria, TX	Whole	291,309	48/167
TEXAS	Harris County	Houston-Galveston-Brazoria, TX	Whole	4,092,459	48/201
TEXAS	Johnson County	Dallas-Fort Worth, TX	Whole	150,934	48/251
TEXAS	Kaufman County	Dallas-Fort Worth, TX	Whole	103,350	48/257
TEXAS	Liberty County	Houston-Galveston-Brazoria, TX	Whole	75,643	48/291
TEXAS	Montgomery County	Houston-Galveston-Brazoria, TX	Whole	455,746	48/339
TEXAS	Parker County	Dallas-Fort Worth, TX	Whole	116,927	48/367
TEXAS	Rockwall County	Dallas-Fort Worth, TX	Whole	78,337	48/397
TEXAS	Tarrant County	Dallas-Fort Worth, TX	Whole	1,809,034	48/439
TEXAS	Waller County	Houston-Galveston-Brazoria, TX	Whole	43,205	48/473
TEXAS	Wise County	Dallas-Fort Worth, TX	Whole	59,127	48/497
WYOMING	Lincoln County	Upper Green River Basin Area, WY	Part	799	56/023
WYOMING	Sublette County	Upper Green River Basin Area, WY	Whole	10,247	56/035
WYOMING	Sweetwater County	Upper Green River Basin Area, WY	Part	452	56/037

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