Radon Levels by County and Zip Code

Radon Levels by County and Zip Code

The Illinois Emergency Management Agency has conducted a statewide screening for indoor radon. The primary purpose of the screening was to determine whether there are particular regions within Illinois which are more prone to radon than others. This data has been collected since 2003. Here are the results of the screening for the Illinois counties that Reliable Radon Inspections, Inc. services:

Select a County: