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About Radon Levels in Pima County

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

The average indoor radon levels of Pima County, as determined by radon test results from Air Chek, is 1.7 pCi/L

Local News

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


State Radon Officer

Rich Baker
(602) 255-4845
AZDHS Bureau of Radiation Control
4814 S. 40th Street
Phoenix AZ, 85040

Radon Resources