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About Radon Levels in Hillsborough County

Local News

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


State Radon Officer

Mary Butow
(603) 271-1708
NH DHHS Radon Program
29 Hazen Dr
Concord NH, 03301