State Radon Officer

Patrick Daniels
(800) 325-1245
(217) 782-1325
Illinois Emergency Management Agency
1035 Outer Park Drive
Springfield IL, 62704

About Radon Levels
in McHenry County

The following chart was generated from aggregate test data supplied by Air Chek, Inc

Radon Risk chart for McHenry 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 McHenry County may be available through this website