About Radon Levels in Union County

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

The average indoor radon levels of Union County, as determined by radon test results from Air Chek, is 5 pCi/L


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


State Radon Officer

Christopher Alexander
(800) 523-4439
(614) 728-0880
Indoor Radon Program
246 North High Street, 7th Floor, 35 Bldg
Columbus OH, 43215

Radon Resources