"This map shows the boundaries of the designated Martinsburg-Hagerstown, WV-MD PM2.5 nonattainment area. It includes the boundaries of associated 8-hour ozone nonattainment areas, as well as any associated MPOs. The map is intended to depict the extent of PM2.5 nonattainment in this area, and how the boundaries of the PM2.5 area, 8-hour area, and the MPO planning area relate to each other."
- Martinsburg, WV-Hagerstown, MD PM2.5 Nonattainment Area
- MARYLAND
- Washington Co
- WEST VIRGINIA
- Berkeley Co
- MARYLAND
- Washington Co, MD (EAC) 8-hour Ozone Nonattainment Area
- MARYLAND
- Washington Co
- MARYLAND
- Berkeley and Jefferson Cos, WV (EAC) 8-hour Ozone Nonattainment Area
- WEST VIRGINIA
- Berkeley
- Jefferson
- WEST VIRGINIA
- Hagerstown-Eastern Panhandle MPO
- MARYLAND
- Washington Co
- WEST VIRGINIA
- Berkeley Co
- Jefferson Co
- MARYLAND
