Available Radon Information

Within this site you will find information about radon levels of every Montana county. This includes radon level maps and radon level graphs specific to Montana.

State Radon Officer

Brian Green
(800) 546-0483
(406) 841-5230
MT Department of Environmental Quality
PO Box 20091
Helena MT, 59620

About Radon Levels in Montana

Additional information about radon levels in Montana may be available through the Montana Indoor Radon Program Website.