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Nitrogen Dioxide Information

This page provides detailed information on previous nitrogen dioxide nonattainment areas. There are no nonattainment listings for nitrogen dioxide.

  1. Maintenance Area Selections (Previously Nonattainment Areas)
    1. Classified Area

  2. Federal Register Notices Relating to Nitrogen Dioxide Designations
    1. Designation Notices
      1. Nitrogen Dioxide (NO2) Primary Standards - Documents from Review Completed in 1996
      2. Nitrogen Dioxide (NO2) Primary Standards - Documents from Review Completed in 2010
      3. Nitrogen Dioxide (NO2) Secondary Standards - Documents from Review Completed in 1996
      4. Proposed Primary National Ambient Air Quality Standard for Nitrogen Dioxide (July 15, 2009) (PDF)
      5. Final Air Quality Designations for the 2010 Primary Nitrogen Dioxide (NO2) National Ambient Air Quality Standards (February 17, 2012) (PDF)
    2. Other Associated Federal Register Notices
      1. Federal Register Notices Relating to NO2 Designations Listed by Date

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