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Area Designations for 2006 24-Hour Fine Particle (PM2.5) Standards

EPA Response to State Recommendations on 2006 24-Hour PM2.5 Designations August 19, 2008

In some cases either the state and/or EPA recommended partial counties. These are identified by a (P). If a county is not listed below, EPA recommends that it be designated as attainment/unclassifiable.

State Area Name State Recommended Nonattainment Counties EPA Recommended Nonattainment Counties
Alabama Birmingham, AL Jefferson Jefferson
Shelby
Walker (p)
Alaska Fairbanks, AK Fairbanks North Star (p) Fairbanks North Star (p)
Juneau, AK   Juneau (p)
Arizona Nogales, AZ Santa Cruz (p) Santa Cruz (p)
California Chico, CA Butte (p) Butte
Imperial County, CA Imperial (p) Imperial
Los Angeles, CA Los Angeles (p)
Orange
Riverside (p)
San Bernardino (p)
Los Angeles (p)
Orange
Riverside (p)
San Bernardino (p)
Sacramento, CA

Sacramento
El Dorado (p)
Placer (p)
Sacramento
Solano (p)
Yolo
San Francisco Bay Area, CA Alameda
Contra Costa
Marin
Napa
San Francisco
San Mateo
Santa Clara
Solano (p)
Sonoma (p)
Alameda
Contra Costa
Marin
Napa
San Francisco
San Mateo
Santa Clara
Solano (p)
Sonoma (p)
San Joaquin Valley, CA Fresno
Kern (p)
Kings
Madera
Merced
San Joaquin
Stanislaus
Tulare
Fresno
Kern (p)
Kings
Madera
Merced
San Joaquin
Stanislaus
Tulare
Yuba City-Marysville, CA Sutter (p)
Yuba (p)
Sutter
Yuba
Connecticut New York, NY-NJ-CT Fairfield
New Haven
Fairfield
New Haven
Delaware Philadelphia-Wilmington, PA-NJ-DE New Castle New Castle
Idaho Logan, UT-ID Franklin (p) Franklin (p)
Pinehurst, ID Shoshone (p) Shoshone (p)
Illinois Chicago-Gary-Lake County, IL-IN Cook
DuPage
Grundy (p)
Kane
Kendall (p)
Lake
McHenry
Will
Cook
DuPage
Grundy (p)
Kane
Kendall (p)
Lake
McHenry
Will
Davenport-Moline-Rock Island, IA-IL   Rock Island
Paducah-Mayfield, KY-IL   Massac
St. Louis, MO-IL Madison
Monroe
Randolph (p)
St. Clair
Madison
Monroe
Randolph (p)
St. Clair
Indiana Chicago-Gary-Lake County, IL-IN Lake Lake
Porter
Cincinnati-Hamilton, OH-KY-IN   Dearborn (p)
Evansville, IN



Vanderburgh
Dubois
Gibson (p)
Pike (p)
Spencer (p)
Vanderburgh
Warrick
Indianapolis, IN


Marion
Hamilton
Hendricks
Johnson
Marion
Morgan
Lafayette-Frankfort, IN Tippecanoe Tippecanoe
Louisville, KY-IN   Clark
Floyd
Jefferson (p)
Vincennes, IN Knox Knox
Iowa Davenport-Moline-Rock Island, IA-IL Scott (p) Scott
Muscatine, IA Muscatine (p) Muscatine
Kentucky Cincinnati-Hamilton, OH-KY-IN   Boone
Campbell
Kenton
Clarksville, TN-KY   Muhlenberg
Huntington-Ashland, WV-KY-OH   Boyd
Lawrence (p)
Louisville, KY-IN   Bullitt
Jefferson
Paducah-Mayfield, KY-IL   McCracken
Maryland Baltimore, MD Anne Arundel
Baltimore City
Baltimore
Carroll
Harford
Howard
Anne Arundel
Baltimore City
Baltimore
Carroll
Harford
Howard
Michigan Detroit-Ann Arbor, MI Livingston
Macomb
Monroe
Oakland
St. Clair
Washtenaw
Wayne
Livingston
Macomb
Monroe
Oakland
St. Clair
Washtenaw
Wayne
Grand Rapids, MI Kent Kent
Ottawa
Missouri St. Louis, MO-IL   Franklin
Jefferson
St. Charles
St. Louis
St. Louis City
Montana Libby, MT   Lincoln (p)
New Jersey Allentown, PA Warren (p)  
New York, NY-NJ-CT Bergen
Essex
Hudson
Mercer
Middlesex
Monmouth
Morris
Passaic
Somerset
Union
Bergen
Essex
Hudson
Mercer
Middlesex
Monmouth
Morris
Passaic
Somerset
Union
Philadelphia-Wilmington, PA-NJ-DE Burlington
Camden
Gloucester
Burlington
Camden
Gloucester
New York New York, NY-NJ-CT Bronx
Kings
Nassau
New York
Orange
Queens
Richmond
Rockland
Suffolk
Westchester
Bronx
Kings
Nassau
New York
Orange
Queens
Richmond
Rockland
Suffolk
Westchester
Ohio Canton-Massillon, OH Stark Stark
Cincinnati-Hamilton, OH-KY-IN Butler
Clermont
Hamilton
Warren
Butler
Clermont
Hamilton
Warren
Cleveland-Akron-Lorain, OH
Cuyahoga
Lake
Lorain
Medina
Portage
Summit
Ashtabula (p)
Cuyahoga
Lake
Lorain
Medina
Portage
Summit
Columbus, OH
Delaware
Fairfield
Franklin
Licking
Coshocton (p)
Delaware
Fairfield
Franklin
Licking
Dayton-Springfield, OH
Greene
Montgomery
Clark
Greene
Montgomery
Huntington-Ashland, WV-KY-OH   Adams (p)
Gallia (p)
Lawrence
Scioto
Parkersburg-Marietta, WV-OH Washington Washington
Steubenville-Weirton, OH-WV Jefferson Jefferson
Youngstown, OH Mahoning
Trumbull
Mahoning
Trumbull
Oregon Klamath Falls, OR Klamath (p) Klamath (p)
Oakridge, OR Lane (p) Lane (p)
Pennsylvania Allentown, PA Lehigh
Northampton
Lehigh
Northampton
Harrisburg-Lebanon-Carlisle, PA Cumberland
Dauphin
Lebanon
Cumberland
Dauphin
Lebanon
Johnstown, PA Cambria
Indiana (p)
Cambria
Indiana (p)
Lancaster, PA Lancaster Lancaster
Liberty-Clairton, PA Allegheny (p) Allegheny (p)
Philadelphia-Wilmington, PA-NJ-DE Bucks
Chester
Delaware
Montgomery
Philadelphia
Bucks
Chester
Delaware
Montgomery
Philadelphia
Pittsburgh-Beaver Valley, PA Allegheny (p)
Armstrong (p)
Beaver
Butler

Lawrence (p)
Washington
Westmoreland
Allegheny (p)
Armstrong (p)
Beaver
Butler
Greene (p)
Lawrence (p)
Washington
Westmoreland
Reading, PA Berks Berks
York, PA York York
Tennessee Clarksville, TN-KY   Humphreys
Montgomery
Stewart
Knoxville-Sevierville-La Follette, TN   Anderson
Blount
Knox
Loudon
Roane (p)
Utah Logan, UT-ID Cache (p) Cache (p)
Salt Lake City, UT
Davis
Salt Lake

Utah (p)
Weber (p)
Box Elder (p)
Davis
Salt Lake
Tooele (p)
Utah (p)
Weber (p)
Washington Seattle-Tacoma, WA Pierce (p) Pierce (p)
West Virginia Charleston, WV Kanawha
Putnam
Kanawha
Putnam
Huntington-Ashland, WV-KY-OH   Cabell
Mason (p)
Wayne
Morgantown, WV   Monongalia
Parkersburg-Marietta, WV-OH   Pleasants (p)
Wood
Steubenville-Weirton, OH-WV Brooke
Hancock
Brooke
Hancock
Wisconsin Green Bay, WI   Brown
Madison-Baraboo, WI   Columbia
Dane
Milwaukee-Racine, WI   Milwaukee
Racine
Waukesha
Total
25 states 57 areas 116 whole counties
31 partial counties
169 whole counties
46 partial counties

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