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About Radon Levels in Jefferson County

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

The average indoor radon levels of Jefferson County, as determined by radon test results from Air Chek, is 7.8 pCi/L

Local News

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


State Radon Officer

Megan Larson
(800) 445-8647
(208) 334-4964
Dept of Health and Welfare
450 W. State St., 6th Floor
Boise ID, 83720-0036