Ozone Designations

Ozone Designations Regulatory Actions

This page contains a chronological listing of all regulatory actions related to designations for the 2015 ozone standards.

State representatives and some tribal representatives have submitted area designation recommendations for the 2015 ozone standards.
- Read recommendations from states
- Read recommendations from tribes

2015 Ozone NAAQS Final Rule (PDF) (178 pp, 2.3 MB, About PDF) - Federal Register - October 26, 2015