The following link to region-specific tribal programs, grant, regulatory and air quality resources:

Region 1 (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont)

• Region 1 Tribal Program

Region 2 (New Jersey, New York, Puerto Rico, U. S. Virgin Islands)

• Region 2 Tribal Program

Region 3 (Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia)

• Region 3 Tribal Program

Region 4 (Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee)

• Region 4 Tribal Program
• Region 4 Tribal NSR Permitting

Region 5 (Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin)

• Region 5 Tribal Program
• Tribal Permitting in Region 5

Region 6 (Arkansas, Louisiana, New Mexico, Oklahoma, Texas)

• Region 6 Tribal Program 
• Tribal NSR Implementation in EPA's South Central Region

Region 7 (Iowa, Kansas, Missouri, Nebraska)

• Region 7 Tribal Program 
• Tribal Air Permitting in Region 7

Region 8 (Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming)

• Region 8 Tribal Program
• Tribal NSR Permitting in Region 8

Region 9 (Arizona, California, Hawaii, Nevada, Pacific Islands)

• Region 9 Tribal Program
• Tribal NSR Permits in Region 9
• Tribal Air Programs in the Pacific Southwest: Air quality monitoring, grant and permitting information. 

Region 10 (Idaho, Oregon and Washington)

• Region 10 Tribal Program
• Air and Climate Resources for Tribes in Region 10
• Federal Air Rules for Indian Reservations (FARR) in Idaho, Oregon and Washington