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PM-2.5 (1997) Designated Area State/Area/County Report

Data is current as of September 30, 2019


ALABAMA (Region IV)
  Birmingham, AL (Former Subpart 1 - Maintenance)
Jefferson County
Shelby County
Walker County (P)
 
  Chattanooga, TN-GA-AL (Moderate - Maintenance)
Jackson County (P)
 
CALIFORNIA (Region IX)
  Los Angeles-South Coast Air Basin, CA (Moderate - Nonattainment)
Los Angeles County (P)
Orange County
Riverside County (P)
San Bernardino County (P)
 
  San Joaquin Valley, CA (Serious - Nonattainment)
Fresno County
Kern County (P)
Kings County
Madera County
Merced County
San Joaquin County
Stanislaus County
Tulare County
 
CONNECTICUT (Region I)
  New York-N. New Jersey-Long Island, NY-NJ-CT (Former Subpart 1 - Maintenance)
Fairfield County
New Haven County
 
DELAWARE (Region III)
  Philadelphia-Wilmington, PA-NJ-DE (Moderate - Maintenance)
New Castle County
 
DISTRICT OF COLUMBIA (Region III)
  Washington, DC-MD-VA (Moderate - Maintenance)
District of Columbia
 
GEORGIA (Region IV)
  Atlanta, GA (Moderate - Maintenance)
Barrow County
Bartow County
Carroll County
Cherokee County
Clayton County
Cobb County
Coweta County
DeKalb County
Douglas County
Fayette County
Forsyth County
Fulton County
Gwinnett County
Hall County
Heard County (P)
Henry County
Newton County
Paulding County
Putnam County (P)
Rockdale County
Spalding County
Walton County
 
  Chattanooga, TN-GA-AL (Moderate - Maintenance)
Catoosa County
Walker County
 
  Macon, GA (Former Subpart 1 - Maintenance)
Bibb County
Monroe County (P)
 
  Rome, GA (Former Subpart 1 - Maintenance)
Floyd County
 
ILLINOIS (Region V)
  Chicago-Gary-Lake County, IL-IN (Former Subpart 1 - Maintenance)
Cook County
DuPage County
Grundy County (P)
Goose Lake and Aux Sable Townships
Kane County
Kendall County (P)
Oswego Township
Lake County
McHenry County
Will County
 
  St. Louis, MO-IL (Moderate - Maintenance)
Madison County
Monroe County
Randolph County (P)
Baldwin Village
St. Clair County
 
INDIANA (Region V)
  Chicago-Gary-Lake County, IL-IN (Former Subpart 1 - Maintenance)
Lake County
Porter County
 
  Cincinnati-Hamilton, OH-KY-IN (Former Subpart 1 - Maintenance)
Dearborn County (P)
Lawrenceburg Township
 
  Evansville, IN (Former Subpart 1 - Maintenance)
Dubois County
Gibson County (P)
Montgomery Township
Pike County (P)
Washington Township
Spencer County (P)
Ohio Township
Vanderburgh County
Warrick County
 
  Indianapolis, IN (Former Subpart 1 - Maintenance)
Hamilton County
Hendricks County
Johnson County
Marion County
Morgan County
 
  Louisville, KY-IN (Moderate - Maintenance)
Clark County
Floyd County
Jefferson County (P)
Madison Township
 
KENTUCKY (Region IV)
  Cincinnati-Hamilton, OH-KY-IN (Former Subpart 1 - Maintenance)
Boone County
Campbell County
Kenton County
 
  Huntington-Ashland, WV-KY-OH (Former Subpart 1 - Maintenance)
Boyd County
Lawrence County (P)
 
  Louisville, KY-IN (Moderate - Maintenance)
Bullitt County
Jefferson County
 
MARYLAND (Region III)
  Baltimore, MD (Moderate - Maintenance)
Anne Arundel County
Baltimore County
Baltimore city
Carroll County
Harford County
Howard County
 
  Martinsburg, WV-Hagerstown, MD (Moderate - Maintenance)
Washington County
 
  Washington, DC-MD-VA (Moderate - Maintenance)
Charles County
Frederick County
Montgomery County
Prince George's County
 
MICHIGAN (Region V)
  Detroit-Ann Arbor, MI (Former Subpart 1 - Maintenance)
Livingston County
Macomb County
Monroe County
Oakland County
St. Clair County
Washtenaw County
Wayne County
 
MISSOURI (Region VII)
  St. Louis, MO-IL (Moderate - Maintenance)
Franklin County
Jefferson County
St. Charles County
St. Louis County
St. Louis city
 
MONTANA (Region VIII)
  Libby, MT (Moderate - Nonattainment)
Lincoln County (P)
 
NEW JERSEY (Region II)
  New York-N. New Jersey-Long Island, NY-NJ-CT (Former Subpart 1 - Maintenance)
Bergen County
Essex County
Hudson County
Mercer County
Middlesex County
Monmouth County
Morris County
Passaic County
Somerset County
Union County
 
  Philadelphia-Wilmington, PA-NJ-DE (Former Subpart 1 - Maintenance)
Burlington County
Camden County
Gloucester County
 
NEW YORK (Region II)
  New York-N. New Jersey-Long Island, NY-NJ-CT (Former Subpart 1 - Maintenance)
Bronx County
Kings County
Nassau County
New York County
Orange County
Queens County
Richmond County
Rockland County
Suffolk County
Westchester County
 
NORTH CAROLINA (Region IV)
  Greensboro-Winston Salem-High Point, NC (Former Subpart 1 - Maintenance)
Davidson County
Guilford County
 
  Hickory-Morganton-Lenoir, NC (Former Subpart 1 - Maintenance)
Catawba County
 
OHIO (Region V)
  Canton-Massillon, OH (Former Subpart 1 - Maintenance)
Stark County
 
  Cincinnati-Hamilton, OH-KY-IN (Former Subpart 1 - Maintenance)
Butler County
Clermont County
Hamilton County
Warren County
 
  Cleveland-Akron-Lorain, OH (Former Subpart 1 - Maintenance)
Ashtabula County (P)
Ashtabula Township
Cuyahoga County
Lake County
Lorain County
Medina County
Portage County
Summit County
 
  Columbus, OH (Former Subpart 1 - Maintenance)
Coshocton County (P)
Franklin Township
Delaware County
Fairfield County
Franklin County
Licking County
 
  Dayton-Springfield, OH (Former Subpart 1 - Maintenance)
Clark County
Greene County
Montgomery County
 
  Huntington-Ashland, WV-KY-OH (Former Subpart 1 - Maintenance)
Adams County (P)
Monroe Township, Sprigg Township
Gallia County (P)
Cheshire Township
Lawrence County
Scioto County
 
  Parkersburg-Marietta, WV-OH (Former Subpart 1 - Maintenance)
Washington County
 
  Steubenville-Weirton, OH-WV (Former Subpart 1 - Maintenance)
Jefferson County
 
  Wheeling, WV-OH (Former Subpart 1 - Maintenance)
Belmont County
 
PENNSYLVANIA (Region III)
  Harrisburg-Lebanon-Carlisle, PA (Moderate - Maintenance)
Cumberland County
Dauphin County
Lebanon County
 
  Johnstown, PA (Moderate - Maintenance)
Cambria County
Indiana County (P)
 
  Lancaster, PA (Moderate - Maintenance)
Lancaster County
 
  Liberty-Clairton, PA (Moderate - Nonattainment)
Allegheny County (P)
Lincoln Borough, Clairton City, Glassport Borough, Liberty Borough, Port Vue Borough
 
  Philadelphia-Wilmington, PA-NJ-DE (Moderate - Maintenance)
Bucks County
Chester County
Delaware County
Montgomery County
Philadelphia County
 
  Pittsburgh-Beaver Valley, PA (Moderate - Maintenance)
Allegheny County (P)
Remainder
Armstrong County (P)
Elderton Borough and Plumcreek and Washington Townships
Beaver County
Butler County
Greene County (P)
Monongahela Township
Lawrence County (P)
Township of Taylor south of New Castle City
Washington County
Westmoreland County
 
  Reading, PA (Moderate - Maintenance)
Berks County
 
  York, PA (Moderate - Maintenance)
York County
 
TENNESSEE (Region IV)
  Chattanooga, TN-GA-AL (Moderate - Maintenance)
Hamilton County
 
  Knoxville, TN (Moderate - Maintenance)
Anderson County
Blount County
Knox County
Loudon County
Roane County (P)
 
VIRGINIA (Region III)
  Washington, DC-MD-VA (Moderate - Maintenance)
Alexandria city
Arlington County
Fairfax County
Fairfax city
Falls Church city
Loudoun County
Manassas Park city
Manassas city
Prince William County
 
WEST VIRGINIA (Region III)
  Charleston, WV (Former Subpart 1 - Maintenance)
Kanawha County
Putnam County
 
  Huntington-Ashland, WV-KY-OH (Former Subpart 1 - Maintenance)
Cabell County
Mason County (P)
Graham Tax District
Wayne County
 
  Martinsburg, WV-Hagerstown, MD (Moderate - Maintenance)
Berkeley County
 
  Parkersburg-Marietta, WV-OH (Former Subpart 1 - Maintenance)
Pleasants County (P)
Tax District of Grant
Wood County
 
  Steubenville-Weirton, OH-WV (Former Subpart 1 - Maintenance)
Brooke County
Hancock County
 
  Wheeling, WV-OH (Former Subpart 1 - Maintenance)
Marshall County
Ohio County


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