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  Radon in Illinois  

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Planned maintenance of the Radon Mapping Application will be performed on October 2nd beginning at 9:00AM. The application will be back online the following day at 9:00AM.

State of Illinois Map - click to open interactive map

Disclaimer and Purpose. This map is NOT intended to be used to determine if a home in a given county or zip code should be tested for radon. Homes with elevated levels of radon have been found throughout the state of Illinois. ALL Homes Should Be Tested regardless of geographic location.

The data presented is taken from annual reports submitted by licensed measurement and mitigation professionals. The measurement data includes calendar years 2003 - 2011. The mitigation data includes calendar years 2005 - 2011. The measurement data includes only the highest measurement for each address that was submitted. Data collected from measurements performed by homeowners will be included in future updates of the website.

Using the Interactive map. Clicking on the map of Illinois will open an interactive map of the state that displays average measured radon levels submitted to IEMA, color-coded by county. The map enables you to zoom in and out and to find average measured radon levels by county and zip code. Clicking on a county will bring up additional options for locating measurement and mitigation professionals as well as providing access to the measurment data for a specific county by zip code.

Looking for a measurement or mitigation professional? Open up the interactive map and then click on your county. A pop-up box will display with a "Contractor List" link to all of the individuals who are licensed to measure and mitigate radon in that county.

Looking for measurement results for a specific zip code? Open up the interactive map and then click on your county. A pop-up box will display with a "County Measurement Map" link to the measurement details by zip code within that county.

Looking for the number of mitigations performed within a specific county or zip code? Open up the interactive map and then click on your county. A pop-up box will display with a "County Mitigation Map" link to the mitigation details by zip code within that county.

The interactive map uses the Adobe Flash. If you would prefer a text-based method of viewing the measurement, mitigation and licensed professional data click here.

 

Radon

What is Radon?
Radon Levels & Professionals in Illinois
List of Radon Measurement Laboratories
Applying for a License
Licensees
Real Estate
Radon Publications
Radon Information Partners
Radon Science
Radon-Resistant Building Codes Task Force
Professionals Licensed for Commercial Buildings
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