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Designation and NAAQS Information Related to 8-Hour Ozone (2015)

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  1. Revised 8-Hour Ozone (2015 Standard) NAAQS Notices
    1. National Ambient Air Quality Standards for Ozone (December 17, 2014)
      See 79 FR 75234

    2. National Ambient Air Quality Standards for Ozone (October 26, 2015)
      See 80 FR 65292

    3. Implementation of the 2015 National Ambient Air Quality Standards for Ozone: Nonattainment Area Classifications and State Implementation Plan Requirements (November 17, 2016)
      See 81 FR 81276

    4. Extension of Deadline for Promulgating Designations for the 2015 Ozone National Ambient Air Quality Standards(June 28, 2017). The deadline for the EPA to promulgate initial designations for the 2015 ozone NAAQS is October 1, 2018.
      See 82 FR 29246