This section provides detailed information about designations, classifications and the nonattainment area status for the PM-10 (1987) National Ambient Air Quality Standards (NAAQS). Original areas were designated November 15, 1990.

1. All Designated Area Selections (Nonattainment and Maintenance)
   1. Area/State Information
   2. Area Design Values
   3. State/Area and Design Value Information
   4. State/County/Area Information
   5. State/Area/County List
   6. Area/State/County List


2. Nonattainment Area Selections
   1. Areas by Classification
   2. State/County/Area Information
   3. State/Area/County List
   4. Area/State/County List


3. Maintenance Area Selections (Redesignated from Nonattainment)
   1. Areas by Classification
   2. State/County/Area Information
   3. State/Area/County List
   4. Area/State/County List


4. Area Maps
   Map and GIS shapefile downloads are available from the Downloads page (see sidebar link)
    
   1. National Map of PM-10 Nonattainment Areas
   
   
   2. Interactive Map with Current Status of PM-10 Nonattainment/Maintenance Areas


5. Other Information
   1. Summary Reports
      1. Nonattainment Area Summary Report
      2. Maintenance Area Summary Report
   
   
   2. Designation and NAAQS Information Related to the 1987 PM-10 Standard


6. Federal Register Notices Related to PM-10 (1987) Areas
   1. Clean Data Determination/Attainment Determinations for Areas with Current Nonattainment Status
   
   
   2. Attainment Date Extensions
   
   
   3. Classification Changes
   
   
   4. All Federal Register Notices
      1. Notices Listed By Category
      2. Notices Listed By Area Name
      3. Notices Listed By State then Area
      4. Notices Listed By Date