Radon Zone Map

All counties

Radon zones in Missouri

Adair CountyMissouri2
Andrew CountyMissouri1
Atchison CountyMissouri1
Audrain CountyMissouri2
Barry CountyMissouri2
Barton CountyMissouri2
Bates CountyMissouri2
Benton CountyMissouri2
Bollinger CountyMissouri2
Boone CountyMissouri2
Buchanan CountyMissouri1
Butler CountyMissouri3
Caldwell CountyMissouri2
Callaway CountyMissouri2
Camden CountyMissouri2
Cape Girardeau CountyMissouri2
Carroll CountyMissouri2
Carter CountyMissouri2
Cass CountyMissouri1
Cedar CountyMissouri2
Chariton CountyMissouri2
Christian CountyMissouri2
Clark CountyMissouri2
Clay CountyMissouri1
Clinton CountyMissouri1
Cole CountyMissouri2
Cooper CountyMissouri2
Crawford CountyMissouri2
Dade CountyMissouri2
Dallas CountyMissouri2
Daviess CountyMissouri2
Dent CountyMissouri2
Douglas CountyMissouri2
Dunklin CountyMissouri3
Franklin CountyMissouri2
Gentry CountyMissouri2
Greene CountyMissouri2
Grundy CountyMissouri2
Harrison CountyMissouri2
Henry CountyMissouri2
Hickory CountyMissouri2
Holt CountyMissouri1
Howard CountyMissouri2
Howell CountyMissouri2
Iron CountyMissouri1
Jackson CountyMissouri1
Jasper CountyMissouri2
Jefferson CountyMissouri2
Johnson CountyMissouri2
Knox CountyMissouri2
Laclede CountyMissouri2
Lafayette CountyMissouri2
Lawrence CountyMissouri2
Lewis CountyMissouri2
Lincoln CountyMissouri2
Linn CountyMissouri2
Livingston CountyMissouri2
Macon CountyMissouri2
Madison CountyMissouri2
Maries CountyMissouri2
Marion CountyMissouri2
McDonald CountyMissouri2
Mercer CountyMissouri2
Miller CountyMissouri2
Mississippi CountyMissouri3
Moniteau CountyMissouri2
Monroe CountyMissouri2
Montgomery CountyMissouri2
Morgan CountyMissouri2
New Madrid CountyMissouri3
Newton CountyMissouri2
Nodaway CountyMissouri1
Oregon CountyMissouri2
Osage CountyMissouri2
Ozark CountyMissouri2
Pemiscot CountyMissouri3
Perry CountyMissouri2
Pettis CountyMissouri2
Phelps CountyMissouri2
Pike CountyMissouri2
Platte CountyMissouri1
Polk CountyMissouri2
Pulaski CountyMissouri2
Putnam CountyMissouri2
Ralls CountyMissouri2
Randolph CountyMissouri2
Ray CountyMissouri2
Reynolds CountyMissouri2
Ripley CountyMissouri2
Saline CountyMissouri2
Schuyler CountyMissouri2
Scotland CountyMissouri2
Scott CountyMissouri3
Shannon CountyMissouri2
Shelby CountyMissouri2
St. Charles CountyMissouri2
St. Clair CountyMissouri2
St. Francois CountyMissouri2
Ste. Genevieve CountyMissouri2
Stoddard CountyMissouri3
Stone CountyMissouri2
Sullivan CountyMissouri2
Taney CountyMissouri2
Texas CountyMissouri2
Vernon CountyMissouri2
Warren CountyMissouri2
Washington CountyMissouri2
Wayne CountyMissouri2
Webster CountyMissouri2
Worth CountyMissouri2
Wright CountyMissouri2

Sources

  1. Missouri: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  2. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  3. Missouri: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  4. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  5. Missouri: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  6. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  7. Missouri: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  8. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  9. Missouri: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  10. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  11. Missouri: EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026
  12. EPA Map of Radon Zones, US Environmental Protection Agency, checked 1 November 2026

"Secondary" marks a source used only because the official page could not be read.