About Radon Levels in Guthrie County

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

The average indoor radon levels of Guthrie County, as determined by radon test results from Air Chek, is 8.7 pCi/L


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


State Radon Officer

Randy Lane
(800) 383-5992
(515) 281-4928
Iowa Department of Public Health
321 E 12th Street
Des Moines IA, 50319-0075

Radon Resources