State Radon Officer

David Chase
(603) 271-4764
Radon Program
29 Hazen Dr
Concord NH, 03301-6527

About Radon Levels
in Hillsborough County

The average national indoor radon level is 1.3 pCi/L. (What is a picocurie?)
The average indoor radon levels of Hillsborough County, as determined by radon test results from Air Chek, Inc, is 5.3 pCi/L

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

Additional information about radon levels in Hillsborough County may be available through this website