Boston-Manchester-Portsmouth, NH 8-hour Ozone Map

"This map shows the boundaries of the designated Boston-Manchester-Portsmouth, NH 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."

• Boston-Manchester-Portsmouth(SE),NH 8-hour Ozone Nonattainment Area
  • NEW HAMPSHIRE
    • Hillsborough Co (P)
    • Merrimack Co (P)
    • Rockingham Co (P)
    • Strafford Co (P)
• Boston-Lawrence-Worcester (E. MA), MA-NH 1-hour Ozone Nonattainment Area
  • MASSACHUSETTS
    • Barnstable Co
    • Bristol Co
    • Dukes Co
    • Essex Co
    • Middlesex Co
    • Nantucket Co
    • Norfolk Co
    • Plymouth Co
    • Suffolk Co
    • Worcester Co
  • NEW HAMPSHIRE
    • Hillsborough Co (P)
    • Rockingham Co (P)
• Manchester, NH 1-hour Ozone Nonattainment Area
  • NEW HAMPSHIRE
    • Hillsborough Co (P)
    • Merrimack Co
    • Rockingham Co (P)
• Portsmouth-Dover-Rochester, NH 1-hour Ozone Nonattainment Area
  • NEW HAMPSHIRE
    • Rockingham Co (P)
    • Strafford Co
• Southern New Hampshire Planning Commission
  • NEW HAMPSHIRE
    • Hillsborough Co (P)
    • Merrimack Co (P)
    • Rockingham Co (P)
• Nashua Regional Planning Commission
  • NEW HAMPSHIRE
    • Hillsborough Co (P)
• Salem-Plaistow-Windham MPO
  • NEW HAMPSHIRE
    • Rockingham Co (P)
• Seacoast MPO
  • NEW HAMPSHIRE
    • Carroll Co (P)
    • Rockingham Co (P)
    • Strafford Co