About Radon Levels in Calhoun County
The average national indoor radon level is 1.3 pCi/L. (FAQ: What is a picocurie?)
The average indoor radon levels of Calhoun County, as determined by radon test results from Air Chek, is 3.5 pCi/L
Local News
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 Calhoun County may be available through this website.
State Radon Officer
Mr. Leslie E. Smith, III(517) 388-6913
Michigan Department of Environment, Great Lakes, and Energy
815 Filley Street
Lansing MI, 48906