Serving all Northern Illinois including
 McHenry, Lake, Kane, DuPage and Cook Counties
Radon is an element that is a colorless, odorless gas that is produced 
by the decay of the radioactive element radium. 
It is one of the heaviest room temperature gasses on Earth. 
You can’t see radon. You can’t smell radon and you can’t taste radon. 
Click here or on the map below to see if your home/county is at risk for Radon!
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.Information and map provided by IEMA
Have your home tested today! Protect your family's health!
Apex Radon Detection tests for Radon and provides an 
immediate on-site report after final testing. 
It's what sets APEX apart from the rest! 
We offer cost effective rates because we care about your air!
Call APEX today to schedule a Radon test to be done in your home.
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What is Radon?
Radon is a Radioactive Gas
Unlike carbon monoxide and many other home pollutants, radon's adverse health effect, lung cancer, is usually not produced immediately. Thus you may be exposed to radon for many years without ever suspecting its presence in your home.