Radon zones in Alabama
Zone 1: 13, Zone 2: 33, Zone 3: 21. A zone is an area estimate; EPA says all homes should be tested.
- Autauga County Zone 2
- Baldwin County Zone 3
- Barbour County Zone 2
- Bibb County Zone 2
- Blount County Zone 2
- Bullock County Zone 2
- Butler County Zone 3
- Calhoun County Zone 1
- Chambers County Zone 3
- Cherokee County Zone 2
- Chilton County Zone 2
- Choctaw County Zone 3
- Clarke County Zone 3
- Clay County Zone 1
- Cleburne County Zone 1
- Coffee County Zone 3
- Colbert County Zone 1
- Conecuh County Zone 3
- Coosa County Zone 1
- Covington County Zone 3
- Crenshaw County Zone 3
- Cullman County Zone 2
- Dale County Zone 3
- Dallas County Zone 2
- DeKalb County Zone 2
- Elmore County Zone 2
- Escambia County Zone 3
- Etowah County Zone 2
- Fayette County Zone 2
- Franklin County Zone 1
- Geneva County Zone 3
- Greene County Zone 2
- Hale County Zone 2
- Henry County Zone 3
- Houston County Zone 3
- Jackson County Zone 1
- Jefferson County Zone 2
- Lamar County Zone 2
- Lauderdale County Zone 1
- Lawrence County Zone 1
- Lee County Zone 2
- Limestone County Zone 1
- Lowndes County Zone 2
- Macon County Zone 2
- Madison County Zone 1
- Marengo County Zone 3
- Marion County Zone 2
- Marshall County Zone 2
- Mobile County Zone 3
- Monroe County Zone 3
- Montgomery County Zone 2
- Morgan County Zone 1
- Perry County Zone 2
- Pickens County Zone 2
- Pike County Zone 3
- Randolph County Zone 2
- Russell County Zone 2
- St. Clair County Zone 2
- Shelby County Zone 2
- Sumter County Zone 2
- Talladega County Zone 1
- Tallapoosa County Zone 3
- Tuscaloosa County Zone 2
- Walker County Zone 2
- Washington County Zone 3
- Wilcox County Zone 3
- Winston County Zone 2
County not listed? See what we left out and why. Leave your email to hear if this data changes.