Class I Area Locations

National Park Service

• Alphabetical listing of all Class I national parks
• Park Specific Air Quality Information
• Map of NPS Class I areas (pdf, 790 KB)
• Find a Park - Interactive map of the U.S. with links to NPS managed lands
• NPS Class I boundary file in ArcView Shapefile format (zip, 1.4 MB)

U.S. Fish & Wildlife Service

• Alphabetical listing of all Class I refuges
• Map of FWS Class I areas (pdf, 785 KB)
• FWS Class I boundary file in ArcView Shapefile format (zip, 743 KB)

U.S. Forest Service

• Alphabetical listing of all Class I wilderness areas
• Map of USFS Class I areas (pdf, 787 KB)
• USFS Class I boundary file in ArcView Shapefile format (zip, 3.4 MB)

Native American Indian Lands

• Alphabetical listing of all Class I Native American Indian lands
• Map of Class I Native American Indian lands (pdf, 75 KB)

All Class I Areas

• Map of all NPS, FWS, and USFS Class I Areas (jpg, 188 KB)
• Map of NPS Class I areas (pdf, 790 KB)
• Map of FWS Class I areas (pdf, 785 KB)
• Map of USFS Class I areas (pdf, 787 KB)
• Map of Class I Native American Indian lands (pdf, 75 KB)