About Radon Levels in New London County

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

The average indoor radon levels of New London County, as determined by radon test results from Air Chek, is 3.8 pCi/L


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


State Radon Officer

Allison Sullivan
(860) 509-8140
CT Department of Public Health
410 Capitol Avenue
Hartford CT, 6134

Radon Resources