Contact EPA Pacific Southwest Air Program
Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Air Actions, California
Monterey Bay Region Air Actions
November 6, 2009: EPA's Regional Administrator signed a direct final rule to approve the Monterey Bay Region's Maintenance Plan for Ozone. The plan, prepared by Monterey Bay Unified Air Pollution Control District and California Air Resources Board, shows the area will continue to maintain the 8-hour ozone standard through the year 2014.