PM-10 (1987) Maintenance Areas (Redesignated from Nonattainment) by State/County/Area

Data is current as of May 31, 2022

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
ALASKA	Anchorage Municipality	Eagle River, AK	Part	219,193	02/020
ALASKA	Juneau City and Borough	Juneau, AK	Part	14,030	02/110
ARIZONA	Gila County	Payson, AZ	Part	5,333	04/007
ARIZONA	Mohave County	Mohave County, AZ	Part	10,710	04/015
ARIZONA	Pima County	Ajo (Pima County), AZ	Part	8,823	04/019
CALIFORNIA	Fresno County	San Joaquin Valley Air Basin, CA	Whole	930,450	06/019
CALIFORNIA	Imperial County	Imperial Valley, CA	Part	146,905	06/025
CALIFORNIA	Inyo County	Coso Junction, CA	Part	7,333	06/027
CALIFORNIA	Kern County	Indian Wells, CA	Part	15,449	06/029
CALIFORNIA	Kern County	San Joaquin Valley Air Basin, CA	Part	698,229	06/029
CALIFORNIA	Kings County	San Joaquin Valley Air Basin, CA	Whole	152,982	06/031
CALIFORNIA	Los Angeles County	Los Angeles South Coast Air Basin, CA	Part	9,512,219	06/037
CALIFORNIA	Madera County	San Joaquin Valley Air Basin, CA	Whole	150,865	06/039
CALIFORNIA	Merced County	San Joaquin Valley Air Basin, CA	Whole	255,793	06/047
CALIFORNIA	Mono County	Mammoth Lake, CA	Part	7,133	06/051
CALIFORNIA	Orange County	Los Angeles South Coast Air Basin, CA	Whole	3,010,232	06/059
CALIFORNIA	Riverside County	Los Angeles South Coast Air Basin, CA	Part	1,692,996	06/065
CALIFORNIA	Sacramento County	Sacramento County, CA	Whole	1,418,788	06/067
CALIFORNIA	San Bernardino County	Los Angeles South Coast Air Basin, CA	Part	1,583,687	06/071
CALIFORNIA	San Joaquin County	San Joaquin Valley Air Basin, CA	Whole	685,306	06/077
CALIFORNIA	Stanislaus County	San Joaquin Valley Air Basin, CA	Whole	514,453	06/099
CALIFORNIA	Tulare County	San Joaquin Valley Air Basin, CA	Whole	442,179	06/107
COLORADO	Adams County	Denver Metro, CO	Part	432,838	08/001
COLORADO	Arapahoe County	Denver Metro, CO	Part	567,075	08/005
COLORADO	Archuleta County	Pagosa Springs, CO	Part	2,261	08/007
COLORADO	Boulder County	Denver Metro, CO	Part	294,556	08/013
COLORADO	Broomfield County	Denver Metro, CO	Whole	55,889	08/014
COLORADO	Denver County	Denver Metro, CO	Whole	600,158	08/031
COLORADO	Douglas County	Denver Metro, CO	Whole	285,465	08/035
COLORADO	Fremont County	Canon City, CO	Part	18,860	08/043
COLORADO	Jefferson County	Denver Metro, CO	Whole	534,543	08/059
COLORADO	Pitkin County	Aspen, CO	Part	6,772	08/097
COLORADO	Prowers County	Lamar, CO	Part	7,523	08/099
COLORADO	Routt County	Steamboat Springs, CO	Part	12,088	08/107
COLORADO	San Miguel County	Telluride, CO	Part	2,014	08/113
CONNECTICUT	New Haven County	New Haven County, CT	Part	129,779	09/009
IDAHO	Ada County	Boise-Northern Ada County, ID	Part	240,254	16/001
IDAHO	Bannock County	Portneuf Valley, ID	Part	65,778	16/005
IDAHO	Bonner County	Bonner Co (Sandpoint), ID	Part	40,876	16/017
IDAHO	Power County	Portneuf Valley, ID	Part	6,618	16/077
IDAHO	Shoshone County	Pinehurst, ID	Part	1,578	16/079
IDAHO	Shoshone County	Shoshone County, ID	Part	9,691	16/079
ILLINOIS	Cook County	Lyons Twsp., IL	Part	111,688	17/031
ILLINOIS	Cook County	Southeast Chicago, IL	Part	3,117	17/031
ILLINOIS	LaSalle County	Oglesby, IL	Part	3,862	17/099
ILLINOIS	Madison County	Granite City, Nameoki Twsp, IL	Part	35,652	17/119
INDIANA	Lake County	East Chicago, IN	Part	214,867	18/089
INDIANA	Vermillion County	Vermillion County, IN	Part	9,119	18/165
MAINE	Aroostook County	Presque Isle, ME	Part	972	23/003
MICHIGAN	Wayne County	Wayne County, MI	Part	713,777	26/163
MINNESOTA	Olmsted County	Olmsted County, MN	Part	96,199	27/109
MINNESOTA	Ramsey County	Ramsey County, MN	Part	284,783	27/123
MONTANA	Flathead County	Columbia Falls, MT	Part	4,610	30/029
MONTANA	Flathead County	Kalispell, MT	Part	18,422	30/029
MONTANA	Lincoln County	Libby, MT	Part	3,378	30/053
MONTANA	Missoula County	Missoula, MT	Part	59,733	30/063
MONTANA	Silver Bow County	Butte, MT	Part	34,201	30/093
NEVADA	Clark County	Clark County, NV	Part	1,951,248	32/003
NEVADA	Washoe County	Washoe County, NV	Part	421,404	32/031
OHIO	Cuyahoga County	Cuyahoga County, OH	Whole	1,280,122	39/035
OHIO	Jefferson County	Jefferson County, OH	Part	3,472	39/081
OREGON	Jackson County	Medford-Ashland, OR	Part	87,458	41/029
OREGON	Josephine County	Grants Pass, OR	Part	22,449	41/033
OREGON	Klamath County	Klamath Falls, OR	Part	20,703	41/035
OREGON	Lake County	Lake County, OR	Part	3,296	41/037
OREGON	Lane County	Lane County; Eugene/Springfield, OR	Part	195,160	41/039
OREGON	Union County	LaGrande, OR	Part	13,094	41/061
PENNSYLVANIA	Allegheny County	Clairton & 4 Boroughs, PA	Part	18,700	42/003
PUERTO RICO	Guaynabo Municipio	Mun. of Guaynabo, PR	Part	90,470	72/061
UTAH	Salt Lake County	Salt Lake County, UT	Whole	1,029,655	49/035
UTAH	Utah County	Utah County, UT	Whole	516,564	49/049
UTAH	Weber County	Ogden, UT	Part	82,825	49/057
WASHINGTON	King County	Kent, WA	Part	47,315	53/033
WASHINGTON	King County	King County, WA	Part	661,062	53/033
WASHINGTON	Pierce County	Pierce County, WA	Part	238,725	53/053
WASHINGTON	Spokane County	Spokane County, WA	Part	230,807	53/063
WASHINGTON	Thurston County	Olympia, Tumwater, Lacey, WA	Part	98,562	53/067
WASHINGTON	Walla Walla County	Wallula, WA	Part	426	53/071
WASHINGTON	Yakima County	Yakima County, WA	Part	69,565	53/077
WEST VIRGINIA	Brooke County	Follansbee, WV	Part	2,674	54/009
WEST VIRGINIA	Brooke County	Weirton, WV	Part	4,621	54/009
WEST VIRGINIA	Hancock County	Weirton, WV	Part	9,578	54/029
WYOMING	Sheridan County	Sheridan, WY	Part	17,300	56/033

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