Imperial County, CA 8-hour Ozone Map

"This map shows the boundaries of the designated Imperial County, CA 8-hour ozone nonattainment area. It includes the boundaries of associated 1-hour ozone nonattainment and/or maintenance areas, as well as any associated MPOs. The map is intended to depict the extent of 8-hour ozone nonattainment in this area, and how the boundaries of the 8-hour area, 1-hour area, and the MPO planning area relate to each other."

• Imperial Co, CA 8-hour Ozone Nonattainment Area
  • CALIFORNIA
    • Imperial Co

• Imperial Co, CA 1-hour Ozone Nonattainment Area
  • CALIFORNIA
    • Imperial Co

• Southern California Association of Governments
  • • Imperial Co
    • Los Angeles Co
    • Orange Co
    • Riverside Co
    • San Bernardino Co
    • Ventura Co