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About Radon Levels in Marion County

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

The average indoor radon levels of Marion County, as determined by radon test results from Air Chek, is 2.7 pCi/L

Local News

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


State Radon Officer

Radon Specialist - Jennifer Berk
(317) 419-0440
IN State Dept of Health Lead and Healthy Homes
2 N Meridian St, 7th Floor
Indianapolis IN, 46204