Clean Air Act Permitting Around the Nation

Find information about CAA permitting authorities, focus topics, and current actions in your area.

New England Region (R1)

New Jersey, New York, Puerto Rico, the U.S. Virgin Islands (R2)

Mid-Atlantic Region (R3)

Southeastern Region (R4)

Great Lakes Region (R5)

South Central Region (R6)

Midwest Region (R7)

Mountains and Plains Region (R8)

Pacific Southwest Region (R9)

Pacific Northwest Region (R10)