Area Designations for 1997 Fine Particle (PM2.5) Standards
State Designations
Areas Designated under the 1997 Air Quality Standards
The following map groups the states by their associated EPA regional office. Click on a region in the map or list below to view EPA's final designations.
Region 1: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont and Tribal Nations
Region 2: New Jersey, New York, Puerto Rico, US Virgin Islands and Tribal Nations
Region 3: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, and West Virginia
Region 4: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee and Tribal Nations
Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin and Tribal Nations
Region 6: Louisiana, Arkansas, Oklahoma, New Mexico, Texas and Tribal Nations
Region 7: Iowa, Kansas, Missouri, Nebraska, and Tribal Nations
Region 8: Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming and Tribal Nations
Region 9: Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations
Region 10: Alaska, Idaho, Oregon, Washington and Tribal Nations