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About Radon Levels in Marshall County

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

The average indoor radon levels of Marshall County, as determined by radon test results from Air Chek, is 1.5 pCi/L

Local News

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


State Radon Officer

John Swindall
(855) 257-2366
(334) 206-5420
Alabama Department of Public Health
PO Box 303017
Montgomery AL, 36130-3017