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PM-2.5 (2006) Maintenance Area (Redesignated from Nonattainment) State/Area/County Report

Data is current as of October 31, 2020


ALABAMA (Region IV)
  Birmingham, AL (Former Subpart 1 - Maintenance)
Jefferson County
Shelby County
Walker County (P)
 
CALIFORNIA (Region IX)
  Chico, CA (Moderate - Maintenance)
Butte County (P)
 
  Yuba City-Marysville, CA (Moderate - Maintenance)
Sutter County
Yuba County (P)
 
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
 
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
 
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
 
OHIO (Region V)
  Canton-Massillon, OH (Former Subpart 1 - Maintenance)
Stark County
 
  Cleveland-Akron-Lorain, OH (Former Subpart 1 - Maintenance)
Cuyahoga County
Lake County
Lorain County
Medina County
Portage County
Summit County
 
  Steubenville-Weirton, OH-WV (Former Subpart 1 - Maintenance)
Jefferson County
 
PENNSYLVANIA (Region III)
  Allentown, PA (Moderate - Maintenance)
Lehigh County
Northampton County
 
  Harrisburg-Lebanon-Carlisle-York, PA (Moderate - Maintenance)
Cumberland County
Dauphin County
Lebanon County
York County
 
  Johnstown, PA (Moderate - Maintenance)
Cambria County
Indiana County (P)
 
  Lancaster, PA (Moderate - Maintenance)
Lancaster County
 
  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
 
TENNESSEE (Region IV)
  Knoxville-Sevierville-La Follette, TN (Moderate - Maintenance)
Anderson County
Blount County
Knox County
Loudon County
Roane County (P)
 
WASHINGTON (Region X)
  Tacoma, WA (Moderate - Maintenance)
Pierce County (P)
 
WEST VIRGINIA (Region III)
  Charleston, WV (Former Subpart 1 - Maintenance)
Kanawha County
Putnam County
 
  Steubenville-Weirton, OH-WV (Former Subpart 1 - Maintenance)
Brooke County
Hancock County
 
WISCONSIN (Region V)
  Milwaukee-Racine, WI (Former Subpart 1 - Maintenance)
Milwaukee County
Racine County
Waukesha County


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