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PM-2.5 (2012) Designated Area/State Information

Data is current as of November 30, 2019

PM-2.5 (2012) 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 6 16 20,949,156  
Maintenance 3 4 2,274,025  
Nonattainment and Maintenance 9 20 23,223,181  
Allegheny County, PA PA Nonattainment B Moderate 1 1,223,348 03
Cleveland, OH OH Maintenance B Moderate 2 1,581,478 05
Delaware County, PA PA Maintenance B Moderate 1 558,979 03
Imperial County, CA CA Nonattainment B Moderate 1 154,061 09
Lebanon County, PA PA Maintenance B Moderate 1 133,568 03
Los Angeles-South Coast Air Basin, CA CA Nonattainment B Moderate 4 15,716,242 09
Plumas County, CA CA Nonattainment B Moderate 1 5,843 09
San Joaquin Valley, CA CA Nonattainment B Moderate 8 3,842,165 09
West Silver Valley, ID ID Nonattainment B Moderate 1 7,497 10

PM-2.5 (2012) 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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