Radon in the Home – What is Radon?

Radon is a gas that you cannot smell, taste or see. Radon forms naturally when uranium, thorium, or radium, (radioactive metals) breaks down in rocks, soil and groundwater. People can be exposed to radon primarily from breathing radon in air that comes through cracks and gaps in buildings and homes. Because radon comes naturally from the earth, people are always exposed to it.

  • Having your home tested is the only effective way to determine whether you or your family is at risk of high radon exposure.
  • For more information on testing your home, visit Illinois Emergency Management Agency Radon Program or call the National Radon Hotline at 1-800-SOS-RADON.


Radon In Your Home – CDC

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