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About Radon Levels in Richland County

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

The average indoor radon levels of Richland County, as determined by radon test results from Air Chek, is 3.2 pCi/L

Local News

Radon Risk Chart for Richland 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 Richland County may be available through this website.


State Radon Officer

Jessica Maloney
(888) 569-7236
(608) 267-7199
WI Dept of Health Services
1 West Wilson Street, P.O. Box 309
Madison WI, 53701