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PM-2.5 (2006) Designated Area/State Information

Data is current as of August 31, 2020

PM-2.5 (2006) Notes

Display:       Nonattainment and Maintenance Areas       Nonattainment Areas       Maintenance Areas
Area Name  State  Current Status  class sort Current
Classification
or at
Redesignation
 
No.
Counties
 
2010
Population
 
EPA
Region
 
Click underlined column heading to change report order.
click area name for state/county list
click for
Classification history
 
Total
Areas

Total
Counties
Total
Population
(2010)
 
Nonattainment 14 40 31,439,878  
Maintenance 18 82 42,876,143  
Nonattainment and Maintenance 32 121 74,316,021  
Allentown, PA PA Maintenance B Moderate 2 647,232 03
Birmingham, AL AL Maintenance C Former Subpart 1 3 857,680 04
Canton-Massillon, OH OH Maintenance C Former Subpart 1 1 375,586 05
Charleston, WV WV Maintenance C Former Subpart 1 2 248,549 03
Chico, CA CA Maintenance B Moderate 1 217,626 09
Cleveland-Akron-Lorain, OH OH Maintenance C Former Subpart 1 6 2,687,051 05
Detroit-Ann Arbor, MI MI Maintenance C Former Subpart 1 7 4,704,743 05
Fairbanks, AK AK Nonattainment A Serious 1 87,456 10
Harrisburg-Lebanon-Carlisle-York, PA PA Maintenance B Moderate 4 1,072,046 03
Imperial Co, CA CA Nonattainment B Moderate 1 154,061 09
Johnstown, PA PA Maintenance B Moderate 2 156,923 03
Klamath Falls, OR OR Nonattainment B Moderate 1 46,969 10
Knoxville-Sevierville-La Follette, TN TN Maintenance B Moderate 5 681,523 04
Lancaster, PA PA Maintenance B Moderate 1 519,445 03
Liberty-Clairton, PA PA Nonattainment B Moderate 1 20,789 03
Logan, UT-ID ID Nonattainment B Moderate 1 12,523 10
Logan, UT-ID UT Nonattainment B Moderate 1 112,675 08
Los Angeles-South Coast Air Basin, CA CA Nonattainment A Serious 4 15,716,242 09
Milwaukee-Racine, WI WI Maintenance C Former Subpart 1 3 1,533,034 05
New York-N. New Jersey-Long Island, NY-NJ-CT CT Maintenance C Former Subpart 1 2 1,779,306 01
New York-N. New Jersey-Long Island, NY-NJ-CT NJ Maintenance C Former Subpart 1 10 5,983,547 02
New York-N. New Jersey-Long Island, NY-NJ-CT NY Maintenance C Former Subpart 1 10 12,641,628 02
Nogales, AZ AZ Nonattainment B Moderate 1 30,622 09
Oakridge, OR OR Nonattainment B Moderate 1 4,261 10
Philadelphia-Wilmington, PA-NJ-DE DE Maintenance B Moderate 1 538,479 03
Philadelphia-Wilmington, PA-NJ-DE NJ Maintenance C Former Subpart 1 3 1,250,679 02
Philadelphia-Wilmington, PA-NJ-DE PA Maintenance B Moderate 5 4,008,994 03
Pittsburgh-Beaver Valley, PA PA Maintenance B Moderate 8 2,142,981 03
Provo, UT UT Nonattainment A Serious 1 517,537 08
Sacramento, CA CA Nonattainment B Moderate 5 2,206,060 09
Salt Lake City, UT UT Nonattainment A Serious 5 1,665,137 08
San Francisco Bay Area, CA CA Nonattainment B Moderate 9 6,971,067 09
San Joaquin Valley, CA CA Nonattainment A Serious 8 3,842,165 09
Steubenville-Weirton, OH-WV OH Maintenance C Former Subpart 1 1 69,709 05
Steubenville-Weirton, OH-WV WV Maintenance C Former Subpart 1 2 54,745 03
Tacoma, WA WA Maintenance B Moderate 1 539,682 10
West Central Pinal, AZ AZ Nonattainment B Moderate 1 52,314 09
Yuba City-Marysville, CA CA Maintenance B Moderate 2 164,955 09

PM-2.5 (2006) Notes

County subtotals and grand totals may not equal sum of the counties. Part counties are only counted one time within groupings. Multi-state areas are counted only once in area totals, and are counted in maintenance totals when all states in the area have been redesignated.

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