Green Book 8-Hour Ozone (2015) Area Information

This section provides detailed information about designations, classifications and the nonattainment area status for the 8-Hour Ozone (2015) National Ambient Air Quality Standards (NAAQS). Original areas were designated August 3, 2018.  An additional area was designated effective September 24, 2018.  Area designations and/or boundaries were revised effective July 14, 2021.  Area boundaries were revised effective December 30, 2021.
See Ozone Designations and Classifications

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


3. Maintenance Area Selections (Redesignated from Nonattainment)
   1. Maintenance Areas by Classification
   2. Maintenance Area State/County/Area Information
   3. Maintenance Area State/Area/County List
   4. Maintenance 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 Ozone (2015) Nonattainment Areas
   
   
   2. State Maps
      1. Individual State Maps with Ozone (2015) Nonattainment Areas
      2. Individual State Maps with Ozone (2015) Maintenance Areas
   
   
   3. Interactive Map with Current Status of 8-Hour Ozone (2015) Nonattainment/Maintenance Areas


5. Other Information
   1. Summary Reports
      1. Nonattainment Area Summary Report
      2. Maintenance Area Summary Report
      3. Nonattainment Area Summary Report w/ History
   
   
   2. Comparison to Other Standards
      1. County Detail Report for 8-Hour (2015), 8-Hour (2008), 8-Hour Ozone (1997-Revoked), and 1-Hour (1979-Revoked)
      2. Areas with nonattainment boundaries for the 2015 NAAQS smaller than the boundaries for the 2008 Ozone NAAQS
   
   
   3. Designation and NAAQS Information Related to the 2015 8-Hour Ozone Standard


6. Federal Register Notices Related to 8-Hour Ozone (2015) Areas
   1. Classification Changes
   
   
   2. 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