About Radon Levels in Silver Bow County

The average national indoor radon level is 1.3 pCi/L. (FAQ: What is a picocurie?)

The average indoor radon levels of Silver Bow County, as determined by radon test results from Air Chek, is 9.2 pCi/L

Local News

Radon Risk Chart for Silver Bow County

    Results under 2 pCi/L

    Results between 2 and 3.9 pCi/L

    Results 4 pCi/L and above

Check Your Own Radon Levels!

Additional information about radon levels in Silver Bow County may be available through this website.

State Radon Officer

Michael L Gustafson
(800) 546-0483
(406) 444-6592
DEQ Headquarters
1520 E 6th Avenue
Helena MT, 59601