Available Radon Information

Within this site you will find information about radon levels of every Illinois county. This includes radon level maps and radon level graphs specific to Illinois.

State Radon Officer

Patrick Daniels
(800) 325-1245
(217) 785-9958
Illinois Dept of Nuclear Safety
1035 Outer Park Drive
Springfield IL, 62704

About Radon Levels in Illinois

Additional information about radon levels in Illinois may be available through the Illinois State Radon Website.