doesn't meet an annual primary fine particle standard of 12.0 μg/m3 

State County

2009-2011 

Annual Design 

Value (μg/m3

)

Currently in 

PM2.5 

Nonattainment 

Area

Alabama Clay 10.1

Alabama Colbert 10.0

Alabama DeKalb 10.8

Alabama Etowah 11.1

Alabama Houston 10.0

Alabama Jefferson 12.9 Yes

Alabama Madison 11.0

Alabama Mobile 9.8

Alabama Montgomery 10.9

Alabama Morgan 10.6

Alabama Russell 12.2 No

Alabama Tuscaloosa 10.6

Alabama Walker 10.8

Fine Particle Concentrations Based 

on Monitored Air Quality from 2009 - 2011

EPA will not decide who needs to improve air quality to meet the standard until 2014 at the 

earliest. States will have until 2020-2025 to meet the standard. 

Alaska Anchorage 6.2

Alaska Fairbanks North Star 13.4 Yes

Alaska Juneau 7.6

Arizona Cochise 7.0

Arizona Coconino 5.9

Arizona Maricopa 9.9

Arizona Pima 5.4

Arizona Pinal 9.3

Arizona Santa Cruz 11.1

Arizona Yavapai 4.3

Arkansas Arkansas 10.7

Arkansas Ashley 10.6

Arkansas Crittenden 11.1

Arkansas Faulkner 10.8

Arkansas Garland 10.8

Arkansas Jackson 10.2

Arkansas Phillips 10.7

Arkansas Polk 10.8

Arkansas Pope 11.3

Arkansas Pulaski 12.1 No

Arkansas Union 11.1

Page 1
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

Arkansas Washington 11.0

Arkansas White 11.3

California Alameda 9.0

California Butte 10.1

California Calaveras 7.3

California Colusa 6.3

California Contra Costa 7.8

California Fresno 17.0 Yes

California Humboldt 6.4

California Imperial 14.0 Yes

California Inyo 7.3

California Kern 18.2 Yes

California Kings 16.2 Yes

California Lake 3.3

California Los Angeles 13.9 Yes

California Mendocino 8.6

California Merced 18.2 Yes

California Monterey 6.1

California Nevada 6.0

California Orange 11.2

California Placer 7.9

California Plumas 10.3

California Riverside 16.2 Yes

California Sacramento 10.0

California San Benito 5.6

California San Bernardino 13.7 Yes

California San Diego 11.8

California San Francisco 9.9

California San Joaquin 11.1

California San Luis Obispo 7.7

California Santa Barbara 9.9

California Santa Clara 9.6

California Santa Cruz 6.2

California Shasta 5.3

California Siskiyou 5.1

California Solano 9.1

California Sonoma 8.0

California Stanislaus 15.3 Yes

California Sutter 7.3

California Tulare 15.2 Yes

California Ventura 9.3

California Yolo 6.9

Page 2
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

Colorado Adams 8.1

Colorado Arapahoe 6.3

Colorado Boulder 6.9

Colorado Denver 7.6

Colorado Douglas 5.7

Colorado El Paso 5.9

Colorado Larimer 6.3

Colorado Mesa 8.6

Colorado Montezuma 6.3

Colorado Weld 7.5

Connecticut Fairfield 9.4

Connecticut Hartford 9.0

Connecticut Litchfield 5.7

Connecticut New Haven 9.6

Connecticut New London 8.4

Delaware Kent 9.4

Delaware New Castle 10.7

Delaware Sussex 9.4

District Of Columbia District of Columbia 10.6

Florida Alachua 7.7

Florida Brevard 6.6

Florida Broward 6.8

Florida Citrus 7.3

Florida Duval 8.4

Florida Escambia 9.0

Florida Hillsborough 7.8

Florida Lee 6.9

Florida Leon 9.9

Florida Miami-Dade 7.5

Florida Orange 7.3

Florida Palm Beach 6.3

Florida Pinellas 7.7

Florida Polk 7.5

Florida Sarasota 6.8

Florida Seminole 7.5

Georgia Bibb 13.4 Yes

Georgia Chatham 10.7

Georgia Clarke 10.8

Georgia Clayton 12.6 Yes

Georgia DeKalb 11.9

Georgia Dougherty 12.1 No

Georgia Floyd 12.4 Yes

Page 3
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

Georgia Fulton 13.2 Yes

Georgia Hall 10.7

Georgia Muscogee 12.7 No

Georgia Richmond 12.1 No

Georgia Walker 10.1

Georgia Wilkinson 13.1 No

Hawaii Hawaii 15.5 No

Hawaii Honolulu 8.6

Hawaii Maui 4.9

Idaho Ada 6.1

Idaho Bannock 5.2

Idaho Benewah 9.0

Idaho Canyon 7.4

Idaho Shoshone 12.0

Illinois Adams 9.7

Illinois Champaign 10.4

Illinois Cook 12.7 Yes

Illinois DuPage 10.7

Illinois Hamilton 10.5

Illinois Jersey 10.5

Illinois Kane 10.8

Illinois Macon 11.6

Illinois Madison 13.5 Yes

Illinois McHenry 10.0

Illinois McLean 10.5

Illinois Peoria 11.3

Illinois Randolph 9.8

Illinois Rock Island 9.8

Illinois Saint Clair 12.5 Yes

Illinois Sangamon 10.9

Illinois Will 10.8

Illinois Winnebago 9.9

Indiana Allen 11.0

Indiana Clark 13.5 Yes

Indiana Dubois 12.9 No

Indiana Elkhart 11.7

Indiana Floyd 12.3 Yes

Indiana Gibson 11.4

Indiana Henry 11.1

Indiana Howard 11.6

Indiana Knox 11.7

Indiana Lake 12.4 No

Page 4
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

Indiana LaPorte 10.2

Indiana Marion 13.1 Yes

Indiana Porter 11.1

Indiana Spencer 12.4 No

Indiana St. Joseph 11.0

Indiana Tippecanoe 11.0

Indiana Vanderburgh 12.7 No

Indiana Vigo 12.4 No

Iowa Black Hawk 10.6

Iowa Clinton 11.7

Iowa Johnson 10.8

Iowa Lee 11.1

Iowa Linn 10.6

Iowa Montgomery 9.4

Iowa Muscatine 12.8 No

Iowa Palo Alto 9.0

Iowa Polk 9.7

Iowa Pottawattamie 10.9

Iowa Scott 12.2 No

Iowa Van Buren 9.6

Iowa Woodbury 9.7

Kansas Johnson 8.1

Kansas Linn 9.4

Kansas Sedgwick 9.1

Kansas Shawnee 9.2

Kansas Sumner 8.6

Kansas Wyandotte 10.4

Kentucky Bell 11.3

Kentucky Boyd 10.8

Kentucky Bullitt 12.2 Yes

Kentucky Campbell 11.1

Kentucky Carter 9.1

Kentucky Daviess 12.3 No

Kentucky Fayette 11.2

Kentucky Hardin 11.1

Kentucky Henderson 11.7

Kentucky Jefferson 12.8 Yes

Kentucky Madison 9.9

Kentucky McCracken 11.1

Kentucky Pike 9.7

Kentucky Warren 11.0

Louisiana Caddo 11.1

Page 5
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

Louisiana Calcasieu 9.1

Louisiana East Baton Rouge 10.2

Louisiana Iberville 10.0

Louisiana Jefferson 9.2

Louisiana Lafayette 9.1

Louisiana Ouachita 9.2

Louisiana Rapides 8.7

Louisiana St. Bernard 10.6

Louisiana Tangipahoa 8.9

Louisiana Terrebonne 8.6

Louisiana West Baton Rouge 10.8

Maine Androscoggin 7.5

Maine Aroostook 7.1

Maine Cumberland 8.2

Maine Hancock 4.5

Maine Kennebec 7.3

Maine Oxford 8.2

Maine Penobscot 7.3

Maryland Anne Arundel 10.9

Maryland Baltimore 11.1

Maryland Baltimore (City) 10.9

Maryland Cecil 10.4

Maryland Harford 9.8

Maryland Montgomery 10.2

Maryland Prince George's 10.8

Maryland Washington 10.9

Massachusetts Berkshire 8.9

Massachusetts Bristol 7.9

Massachusetts Essex 8.2

Massachusetts Hampden 9.5

Massachusetts Middlesex 7.7

Massachusetts Plymouth 8.2

Massachusetts Suffolk 10.2

Massachusetts Worcester 9.0

Michigan Allegan 8.5

Michigan Bay 8.0

Michigan Berrien 8.8

Michigan Genesee 8.7

Michigan Ingham 8.9

Michigan Kalamazoo 9.4

Michigan Kent 9.7

Michigan Lenawee 9.4

Page 6
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

Michigan Macomb 9.0

Michigan Manistee 6.4

Michigan Missaukee 6.0

Michigan Monroe 9.9

Michigan Muskegon 8.5

Michigan Oakland 9.4

Michigan Ottawa 9.2

Michigan St. Clair 9.3

Michigan Washtenaw 9.6

Michigan Wayne 11.6

Minnesota Dakota 9.2

Minnesota Hennepin 9.5

Minnesota Olmsted 9.6

Minnesota Ramsey 10.0

Minnesota Saint Louis 6.6

Minnesota Scott 8.8

Minnesota Stearns 8.6

Mississippi DeSoto 9.9

Mississippi Forrest 11.6

Mississippi Grenada 9.4

Mississippi Hancock 9.8

Mississippi Harrison 9.6

Mississippi Hinds 11.1

Mississippi Jackson 9.5

Mississippi Jones 11.8

Mississippi Lauderdale 10.9

Mississippi Lee 10.9

Missouri Cass 10.2

Missouri Cedar 10.8

Missouri Clay 9.5

Missouri Greene 10.1

Missouri Jackson 10.7

Missouri Jefferson 10.4

Missouri St. Louis City 13.1 Yes

Montana Missoula 7.6

Montana Ravalli 7.8

Montana Richland 6.0

Montana Silver Bow 9.8

Nebraska Douglas 9.8

Nebraska Hall 7.1

Nebraska Lancaster 8.5

Nebraska Washington 9.1

Page 7
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

Nevada Clark 7.7

Nevada Washoe 6.8

New Hampshire Belknap 5.8

New Hampshire Cheshire 9.6

New Hampshire Hillsborough 7.8

New Hampshire Merrimack 8.6

New Jersey Atlantic 9.2

New Jersey Bergen 9.2

New Jersey Camden 9.7

New Jersey Gloucester 9.3

New Jersey Hudson 11.1

New Jersey Mercer 9.7

New Jersey Middlesex 7.9

New Jersey Morris 8.5

New Jersey Ocean 8.6

New Jersey Passaic 9.3

New Jersey Union 11.4

New Jersey Warren 9.2

New Mexico Bernalillo 5.9

New Mexico Dona Ana 11.9

New Mexico San Juan 4.5

New Mexico Santa Fe 4.2

New York Albany 8.3

New York Bronx 11.9

New York Chautauqua 7.4

New York Erie 9.7

New York Essex 4.4

New York Kings 10.3

New York Nassau 8.9

New York New York 11.7

New York Onondaga 7.7

New York Orange 8.2

New York Queens 9.4

New York Richmond 9.8

New York Steuben 7.1

New York Suffolk 8.4

New York Westchester 9.1

North Carolina Alamance 10.1

North Carolina Buncombe 9.3

North Carolina Caswell 8.9

North Carolina Catawba 10.6

North Carolina Chatham 8.5

Page 8
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

North Carolina Cumberland 10.3

North Carolina Davidson 11.1

North Carolina Duplin 8.9

North Carolina Durham 9.7

North Carolina Edgecombe 9.1

North Carolina Forsyth 10.0

North Carolina Gaston 10.5

North Carolina Guilford 9.8

North Carolina Haywood 10.0

North Carolina Jackson 9.4

North Carolina Johnston 9.2

North Carolina Lenoir 9.3

North Carolina Martin 8.7

North Carolina McDowell 9.8

North Carolina Mecklenburg 11.2

North Carolina Mitchell 9.3

North Carolina Montgomery 9.3

North Carolina Pitt 8.7

North Carolina Robeson 10.0

North Carolina Rowan 10.5

North Carolina Swain 9.7

North Carolina Wake 9.8

North Carolina Watauga 8.3

North Carolina Wayne 9.9

North Dakota Billings 4.3

North Dakota Burleigh 6.9

North Dakota Cass 8.1

North Dakota Mercer 6.3

Ohio Athens 9.0

Ohio Butler 13.0 No

Ohio Clark 12.6 Yes

Ohio Clermont 11.3

Ohio Cuyahoga 13.1 Yes

Ohio Franklin 12.2 Yes

Ohio Greene 12.0

Ohio Hamilton 13.8 No

Ohio Jefferson 12.5 Yes

Ohio Lake 10.1

Ohio Lawrence 11.4

Ohio Lorain 9.9

Ohio Lucas 11.4

Ohio Mahoning 11.8

Page 9
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

Ohio Montgomery 12.9 Yes

Ohio Portage 10.9

Ohio Preble 11.3

Ohio Scioto 10.9

Ohio Stark 13.4 Yes

Ohio Summit 12.6 Yes

Ohio Warren 11.5

Oklahoma Oklahoma 9.5

Oklahoma Pittsburg 10.1

Oklahoma Tulsa 10.8

Oregon Crook 8.6

Oregon Jackson 8.8

Oregon Josephine 7.5

Oregon Klamath 10.7

Oregon Lake 9.1

Oregon Lane 10.0

Oregon Multnomah 7.4

Oregon Umatilla 7.4

Oregon Washington 7.9

Pennsylvania Adams 11.7

Pennsylvania Allegheny 15.0 Yes

Pennsylvania Beaver 12.4 Yes

Pennsylvania Berks 10.7

Pennsylvania Bucks 10.9

Pennsylvania Cambria 12.4 Yes

Pennsylvania Centre 9.3

Pennsylvania Chester 13.7 Yes

Pennsylvania Cumberland 11.0

Pennsylvania Dauphin 12.1 Yes

Pennsylvania Delaware 12.7 Yes

Pennsylvania Lackawanna 9.4

Pennsylvania Lancaster 12.0

Pennsylvania Mercer 10.5

Pennsylvania Montgomery 10.1

Pennsylvania Northampton 13.4 Yes

Pennsylvania Philadelphia 11.6

Pennsylvania Washington 12.6 Yes

Pennsylvania Westmoreland 13.7 Yes

Pennsylvania York 11.5

Rhode Island Kent 6.4

Rhode Island Providence 9.4

South Carolina Charleston 9.2

Page 10
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

South Carolina Chesterfield 9.7

South Carolina Edgefield 10.1

South Carolina Florence 10.7

South Carolina Greenville 11.2

South Carolina Lexington 11.3

South Carolina Richland 11.0

South Carolina Spartanburg 11.0

South Dakota Brookings 8.4

South Dakota Brown 8.0

South Dakota Codington 8.5

South Dakota Custer 4.5

South Dakota Jackson 4

South Dakota Minnehaha 9

South Dakota Pennington 5.9

South Dakota Union 8.8

Tennessee Blount 11.0

Tennessee Davidson 10.9

Tennessee Dyer 9.7

Tennessee Hamilton 11.2

Tennessee Knox 12.3 Yes

Tennessee Lawrence 8.6

Tennessee Loudon 11.7

Tennessee Madison 9.3

Tennessee Maury 9.2

Tennessee McMinn 10.9

Tennessee Montgomery 10.4

Tennessee Putnam 9.6

Tennessee Roane 11.2

Tennessee Shelby 10.4

Tennessee Sullivan 10.7

Tennessee Sumner 10.2

Texas Bexar 9.3

Texas Bowie 11.1

Texas Dallas 10.7

Texas El Paso 9.6

Texas Ellis 9.7

Texas Harris 12.4 No

Texas Harrison 10.6

Texas Hidalgo 10.5

Texas Nueces 10.3

Texas Tarrant 10.6

Texas Travis 10.3

Page 11
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

Utah Box Elder 8.2

Utah Cache 9.7

Utah Davis 9.2

Utah Salt Lake 9.7

Utah Tooele 6.8

Utah Utah 9.1

Utah Washington 4.2

Utah Weber 9.5

Vermont Bennington 6.9

Vermont Chittenden 7.3

Vermont Rutland 9.8

Virginia Albemarle 8.7

Virginia Bristol City 9.9

Virginia Charles 8.9

Virginia Chesterfield 9.6

Virginia Fairfax 9.6

Virginia Frederick 10.4

Virginia Henrico 9.6

Virginia Loudoun 9.5

Virginia Lynchburg City 8.8

Virginia Norfolk City 10.0

Virginia Page 9.3

Virginia Roanoke City 9.9

Virginia Rockingham 10.2

Virginia Salem City 10.0

Virginia Virginia Beach City 9.6

Washington Clark 7.7

Washington King 6.3

Washington Pierce 8.3

Washington Snohomish 7.9

Washington Yakima 8.9

West Virginia Berkeley 11.8

West Virginia Brooke 13.0 Yes

West Virginia Cabell 12.1 Yes

West Virginia Hancock 11.7

West Virginia Kanawha 12.5 Yes

West Virginia Marion 12.1 No

West Virginia Marshall 13.0 Yes

West Virginia Monongalia 10.9

West Virginia Ohio 11.9

West Virginia Raleigh 9.6

West Virginia Wood 12.3 Yes

Page 12
State County

2009-2011 

Annual Design 

Value (μg/m3)

Currently in 

PM2.5 

Nonattainment 

Area

Wisconsin Ashland 5.5

Wisconsin Brown 10.4

Wisconsin Dane 10.6

Wisconsin Forest 6.0

Wisconsin Grant 10.7

Wisconsin Kenosha 9.7

Wisconsin La Crosse 9.6

Wisconsin Milwaukee 11.1

Wisconsin Outagamie 9.8

Wisconsin Ozaukee 9.5

Wisconsin Sauk 9.0

Wisconsin Taylor 7.9

Wisconsin Vilas 6.1

Wisconsin Waukesha 11.7

Wyoming Fremont 8.5

Wyoming Laramie 4.1

Wyoming Park 4.4

Wyoming Sheridan 8.3

Wyoming Sweetwater 5.6

Wyoming Teton 5

2009-2011 air quality data as of July 15, 2012

Comparison uses currently designated nonattainment areas for 24-hour and annual fine 

particle standards (15/35 μg/m 3 .)

Page 13