Radon is a colorless, odorless radioactive gas that is found naturally in rock and soil from the natural decay of uranium. When the gas decays, it can seep into homes and apartments and when inhaled, can cause cell damage and other potential health issues, including lung cancer.

More Information

For more information on radon, including how to test your home, please visit the Illinois Department of Public Health radon page.

Last Reviewed: 8/18/2023