PM-2.5 (2006) Designated Areas by State/County/Area

Data is current as of August 31, 2024

Click underlined column heading to change report order

State	County	Area Name	Current Status	County NA Whole/Part	2010 Population	State/ County FIPS
				click link for partial county description	whole or partial county population
ALABAMA	Jefferson County	Birmingham, AL	Maintenance	Whole	658,466	01/073
ALABAMA	Shelby County	Birmingham, AL	Maintenance	Whole	195,085	01/117
ALABAMA	Walker County	Birmingham, AL	Maintenance	Part	4,129	01/127
ALASKA	Fairbanks North Star Borough	Fairbanks, AK	Nonattainment	Part	87,456	02/090
ARIZONA	Pinal County	West Central Pinal, AZ	Nonattainment	Part	52,314	04/021
ARIZONA	Santa Cruz County	Nogales, AZ	Maintenance	Part	30,622	04/023
CALIFORNIA	Alameda County	San Francisco Bay Area, CA	Nonattainment	Whole	1,510,271	06/001
CALIFORNIA	Butte County	Chico, CA	Maintenance	Part	217,626	06/007
CALIFORNIA	Contra Costa County	San Francisco Bay Area, CA	Nonattainment	Whole	1,049,025	06/013
CALIFORNIA	El Dorado County	Sacramento, CA	Nonattainment	Part	144,214	06/017
CALIFORNIA	Fresno County	San Joaquin Valley, CA	Nonattainment	Whole	930,450	06/019
CALIFORNIA	Imperial County	Imperial County, CA	Nonattainment	Part	154,061	06/025
CALIFORNIA	Kern County	San Joaquin Valley, CA	Nonattainment	Part	710,137	06/029
CALIFORNIA	Kings County	San Joaquin Valley, CA	Nonattainment	Whole	152,982	06/031
CALIFORNIA	Los Angeles County	Los Angeles-South Coast Air Basin, CA	Nonattainment	Part	9,438,565	06/037
CALIFORNIA	Madera County	San Joaquin Valley, CA	Nonattainment	Whole	150,865	06/039
CALIFORNIA	Marin County	San Francisco Bay Area, CA	Nonattainment	Whole	252,409	06/041
CALIFORNIA	Merced County	San Joaquin Valley, CA	Nonattainment	Whole	255,793	06/047
CALIFORNIA	Napa County	San Francisco Bay Area, CA	Nonattainment	Whole	136,484	06/055
CALIFORNIA	Orange County	Los Angeles-South Coast Air Basin, CA	Nonattainment	Whole	3,010,232	06/059
CALIFORNIA	Placer County	Sacramento, CA	Nonattainment	Part	314,319	06/061
CALIFORNIA	Riverside County	Los Angeles-South Coast Air Basin, CA	Nonattainment	Part	1,740,819	06/065
CALIFORNIA	Sacramento County	Sacramento, CA	Nonattainment	Whole	1,418,788	06/067
CALIFORNIA	San Bernardino County	Los Angeles-South Coast Air Basin, CA	Nonattainment	Part	1,526,626	06/071
CALIFORNIA	San Francisco County	San Francisco Bay Area, CA	Nonattainment	Whole	805,235	06/075
CALIFORNIA	San Joaquin County	San Joaquin Valley, CA	Nonattainment	Whole	685,306	06/077
CALIFORNIA	San Mateo County	San Francisco Bay Area, CA	Nonattainment	Whole	718,451	06/081
CALIFORNIA	Santa Clara County	San Francisco Bay Area, CA	Nonattainment	Whole	1,781,642	06/085
CALIFORNIA	Solano County	Sacramento, CA	Nonattainment	Part	129,588	06/095
CALIFORNIA	Solano County	San Francisco Bay Area, CA	Nonattainment	Part	284,288	06/095
CALIFORNIA	Sonoma County	San Francisco Bay Area, CA	Nonattainment	Part	433,262	06/097
CALIFORNIA	Stanislaus County	San Joaquin Valley, CA	Nonattainment	Whole	514,453	06/099
CALIFORNIA	Sutter County	Yuba City-Marysville, CA	Maintenance	Whole	94,737	06/101
CALIFORNIA	Tulare County	San Joaquin Valley, CA	Nonattainment	Whole	442,179	06/107
CALIFORNIA	Yolo County	Sacramento, CA	Nonattainment	Part	199,151	06/113
CALIFORNIA	Yuba County	Yuba City-Marysville, CA	Maintenance	Part	70,218	06/115
CONNECTICUT	Fairfield County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	916,829	09/001
CONNECTICUT	New Haven County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	862,477	09/009
DELAWARE	New Castle County	Philadelphia-Wilmington, PA-NJ-DE	Maintenance	Whole	538,479	10/003
IDAHO	Franklin County	Logan, UT-ID	Maintenance	Part	12,523	16/041
MICHIGAN	Livingston County	Detroit-Ann Arbor, MI	Maintenance	Whole	180,967	26/093
MICHIGAN	Macomb County	Detroit-Ann Arbor, MI	Maintenance	Whole	840,978	26/099
MICHIGAN	Monroe County	Detroit-Ann Arbor, MI	Maintenance	Whole	152,021	26/115
MICHIGAN	Oakland County	Detroit-Ann Arbor, MI	Maintenance	Whole	1,202,362	26/125
MICHIGAN	St. Clair County	Detroit-Ann Arbor, MI	Maintenance	Whole	163,040	26/147
MICHIGAN	Washtenaw County	Detroit-Ann Arbor, MI	Maintenance	Whole	344,791	26/161
MICHIGAN	Wayne County	Detroit-Ann Arbor, MI	Maintenance	Whole	1,820,584	26/163
NEW JERSEY	Bergen County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	905,116	34/003
NEW JERSEY	Burlington County	Philadelphia-Wilmington, PA-NJ-DE	Maintenance	Whole	448,734	34/005
NEW JERSEY	Camden County	Philadelphia-Wilmington, PA-NJ-DE	Maintenance	Whole	513,657	34/007
NEW JERSEY	Essex County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	783,969	34/013
NEW JERSEY	Gloucester County	Philadelphia-Wilmington, PA-NJ-DE	Maintenance	Whole	288,288	34/015
NEW JERSEY	Hudson County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	634,266	34/017
NEW JERSEY	Mercer County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	366,513	34/021
NEW JERSEY	Middlesex County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	809,858	34/023
NEW JERSEY	Monmouth County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	630,380	34/025
NEW JERSEY	Morris County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	492,276	34/027
NEW JERSEY	Passaic County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	501,226	34/031
NEW JERSEY	Somerset County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	323,444	34/035
NEW JERSEY	Union County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	536,499	34/039
NEW YORK	Bronx County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	1,385,108	36/005
NEW YORK	Kings County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	2,504,700	36/047
NEW YORK	Nassau County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	1,339,532	36/059
NEW YORK	New York County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	1,585,873	36/061
NEW YORK	Orange County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	372,813	36/071
NEW YORK	Queens County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	2,230,722	36/081
NEW YORK	Richmond County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	468,730	36/085
NEW YORK	Rockland County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	311,687	36/087
NEW YORK	Suffolk County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	1,493,350	36/103
NEW YORK	Westchester County	New York-N. New Jersey-Long Island, NY-NJ-CT	Maintenance	Whole	949,113	36/119
OHIO	Cuyahoga County	Cleveland-Akron-Lorain, OH	Maintenance	Whole	1,280,122	39/035
OHIO	Jefferson County	Steubenville-Weirton, OH-WV	Maintenance	Whole	69,709	39/081
OHIO	Lake County	Cleveland-Akron-Lorain, OH	Maintenance	Whole	230,041	39/085
OHIO	Lorain County	Cleveland-Akron-Lorain, OH	Maintenance	Whole	301,356	39/093
OHIO	Medina County	Cleveland-Akron-Lorain, OH	Maintenance	Whole	172,332	39/103
OHIO	Portage County	Cleveland-Akron-Lorain, OH	Maintenance	Whole	161,419	39/133
OHIO	Stark County	Canton-Massillon, OH	Maintenance	Whole	375,586	39/151
OHIO	Summit County	Cleveland-Akron-Lorain, OH	Maintenance	Whole	541,781	39/153
OREGON	Klamath County	Klamath Falls, OR	Nonattainment	Part	46,969	41/035
OREGON	Lane County	Oakridge, OR	Maintenance	Part	4,261	41/039
PENNSYLVANIA	Allegheny County	Liberty-Clairton, PA	Nonattainment	Part	20,789	42/003
PENNSYLVANIA	Allegheny County	Pittsburgh-Beaver Valley, PA	Maintenance	Part	1,206,540	42/003
PENNSYLVANIA	Armstrong County	Pittsburgh-Beaver Valley, PA	Maintenance	Part	4,511	42/005
PENNSYLVANIA	Beaver County	Pittsburgh-Beaver Valley, PA	Maintenance	Whole	170,539	42/007
PENNSYLVANIA	Bucks County	Philadelphia-Wilmington, PA-NJ-DE	Maintenance	Whole	625,249	42/017
PENNSYLVANIA	Butler County	Pittsburgh-Beaver Valley, PA	Maintenance	Whole	183,862	42/019
PENNSYLVANIA	Cambria County	Johnstown, PA	Maintenance	Whole	143,679	42/021
PENNSYLVANIA	Chester County	Philadelphia-Wilmington, PA-NJ-DE	Maintenance	Whole	498,886	42/029
PENNSYLVANIA	Cumberland County	Harrisburg-Lebanon-Carlisle-York, PA	Maintenance	Whole	235,406	42/041
PENNSYLVANIA	Dauphin County	Harrisburg-Lebanon-Carlisle-York, PA	Maintenance	Whole	268,100	42/043
PENNSYLVANIA	Delaware County	Philadelphia-Wilmington, PA-NJ-DE	Maintenance	Whole	558,979	42/045
PENNSYLVANIA	Greene County	Pittsburgh-Beaver Valley, PA	Maintenance	Part	2,818	42/059
PENNSYLVANIA	Indiana County	Johnstown, PA	Maintenance	Part	13,244	42/063
PENNSYLVANIA	Lancaster County	Lancaster, PA	Maintenance	Whole	519,445	42/071
PENNSYLVANIA	Lawrence County	Pittsburgh-Beaver Valley, PA	Maintenance	Part	1,722	42/073
PENNSYLVANIA	Lebanon County	Harrisburg-Lebanon-Carlisle-York, PA	Maintenance	Whole	133,568	42/075
PENNSYLVANIA	Lehigh County	Allentown, PA	Maintenance	Whole	349,497	42/077
PENNSYLVANIA	Montgomery County	Philadelphia-Wilmington, PA-NJ-DE	Maintenance	Whole	799,874	42/091
PENNSYLVANIA	Northampton County	Allentown, PA	Maintenance	Whole	297,735	42/095
PENNSYLVANIA	Philadelphia County	Philadelphia-Wilmington, PA-NJ-DE	Maintenance	Whole	1,526,006	42/101
PENNSYLVANIA	Washington County	Pittsburgh-Beaver Valley, PA	Maintenance	Whole	207,820	42/125
PENNSYLVANIA	Westmoreland County	Pittsburgh-Beaver Valley, PA	Maintenance	Whole	365,169	42/129
PENNSYLVANIA	York County	Harrisburg-Lebanon-Carlisle-York, PA	Maintenance	Whole	434,972	42/133
TENNESSEE	Anderson County	Knoxville-Sevierville-La Follette, TN	Maintenance	Whole	75,129	47/001
TENNESSEE	Blount County	Knoxville-Sevierville-La Follette, TN	Maintenance	Whole	123,010	47/009
TENNESSEE	Knox County	Knoxville-Sevierville-La Follette, TN	Maintenance	Whole	432,226	47/093
TENNESSEE	Loudon County	Knoxville-Sevierville-La Follette, TN	Maintenance	Whole	48,556	47/105
TENNESSEE	Roane County	Knoxville-Sevierville-La Follette, TN	Maintenance	Part	2,602	47/145
UTAH	Box Elder County	Salt Lake City, UT	Nonattainment	Part	49,057	49/003
UTAH	Cache County	Logan, UT-ID	Maintenance	Part	112,675	49/005
UTAH	Davis County	Salt Lake City, UT	Nonattainment	Whole	306,479	49/011
UTAH	Salt Lake County	Salt Lake City, UT	Nonattainment	Whole	1,029,655	49/035
UTAH	Tooele County	Salt Lake City, UT	Nonattainment	Part	54,958	49/045
UTAH	Utah County	Provo, UT	Nonattainment	Part	517,537	49/049
UTAH	Weber County	Salt Lake City, UT	Nonattainment	Part	224,988	49/057
WASHINGTON	Pierce County	Tacoma, WA	Maintenance	Part	539,682	53/053
WEST VIRGINIA	Brooke County	Steubenville-Weirton, OH-WV	Maintenance	Whole	24,069	54/009
WEST VIRGINIA	Hancock County	Steubenville-Weirton, OH-WV	Maintenance	Whole	30,676	54/029
WEST VIRGINIA	Kanawha County	Charleston, WV	Maintenance	Whole	193,063	54/039
WEST VIRGINIA	Putnam County	Charleston, WV	Maintenance	Whole	55,486	54/079
WISCONSIN	Milwaukee County	Milwaukee-Racine, WI	Maintenance	Whole	947,735	55/079
WISCONSIN	Racine County	Milwaukee-Racine, WI	Maintenance	Whole	195,408	55/101
WISCONSIN	Waukesha County	Milwaukee-Racine, WI	Maintenance	Whole	389,891	55/133

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