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Indoor Air Quality (IAQ)
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EPA Regional Office and State Indoor Air Quality Information

EPA Resources
  • EPA Map of Radon Zones
  • IAQ Tools for Schools Champions Map
  • Regional Radon Training Centers
  • IED's Tribal Resources
  • EPA's State Environmental Agencies List
  • EPA's MyEnvironment

Other Resources

  • Centers for Disease Control and Prevention's (CDC) Indoor Air Quality Information by State

Regional, State, and Tribal Office Contacts for Indoor Air Quality

EPA’s 10 Regional Offices work closely with Headquarters to manage agency programs at the State, Tribal, and local level. For information on indoor air quality specific to your State, Tribe, or EPA Regional office, select the appropriate link from the list or the map below.


Listings of EPA Regional and State Contacts

Click on a region to view a listing of your EPA Regional and State contacts:

  • Region 1: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
  • Region 2: New Jersey, New York, Puerto Rico, US Virgin Islands
  • Region 3: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia
  • Region 4: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee
  • Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin
  • Region 6: Arkansas, Louisiana, New Mexico, Oklahoma, Texas
  • Region 7: Iowa, Kansas, Missouri, Nebraska
  • Region 8: Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming
  • Region 9: Arizona, California, Guam, Hawaii, Nevada
  • Region 10: Alaska, Idaho, Oregon, Washington

Map of EPA Regions

Click on a region to view a listing of your EPA Regional and State contacts:

Map of the US, split into EPA regionsRegion 1: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont Region 2: New Jersey, New York, Puerto Rico, US Virgin Islands Region 3: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia Region 4: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin Region 6: Arkansas, Louisiana, New Mexico, Oklahoma, Texas Region 7: Iowa, Kansas, Missouri, Nebraska Region 8: Colorado, Montana, North Dakota, South Dakaota, Utah, Wyoming Region 9: Arizona, California, Hawaii, Nevada, Pacific Islands Region 10: Alaska, Idaho, Oregon, Washington


Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 4, 2023
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