- Allegheny County Health Department Air Quality Program
- Delaware Dept. of Natural Resources and Environmental Control Division of Air Quality
- District of Columbia, District Department of Energy & Environmental Air Quality Division
- Maryland Department of the Environment Air & Radiation Management Administration
- New Jersey Department of Environmental Protection Division of Air Quality
- North Carolina Department of Environmental Quality Division of Air Quality
- Pennsylvania Department of Environmental Protection Bureau of Air Quality
- Philadelphia Department of Public Health Air Management Services
- Virginia Department of Environmental Quality Division of Air Quality
- West Virginia Department of Environmental Protection Division of Air Quality
Member Agencies - MARAMA
