Portland, ME 8-hour Ozone Map

"This map shows the boundaries of the designated Portland, ME 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."

• Portland, ME 8-hour Ozone Nonattainment Area
  • MAINE
    • Androscoggin Co (P)
    • Cumberland Co (P)
    • Sagadahoc Co
    • York Co (P)
• Portland, ME 1-hour Ozone Nonattainment Area
  • MAINE
    • Cumberland Co
    • Sagadahoc Co
    • York Co
• Lewiston-Auburn, ME 1-hour Ozone Nonattainment Area
  • MAINE
    • Androscoggin Co
    • Kennebec Co
• Portland Area Comprehensive Transportation Committee
  • MAINE
    • Cumberland Co (P)
    • York (P)
• Kittery Area Comprehensive Transportation Study
  • MAINE
    • York (P)