State Radon Officer

Brian Green
(800) 546-0483
(406) 444-3671

About Radon Levels
in Madison County

The average national indoor radon level is 1.3 pCi/L. (What is a picocurie?)
The average indoor radon levels of Madison County, as determined by radon test results from Air Chek, Inc, is 4.8 pCi/L

Radon Risk chart for Madison County

   Results under 2 pCi/L

   Results between 2 and 3.9 pCi/L

   Results 4 pCi/L and above

Additional information about radon levels in Madison County may be available through this website