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Oregon Health Authority

Radon Risk in Oregon

Radon Risk Level in Oregon

The Oregon Public Health Division recommends that all homes test for radon regardless of the risk level assigned to the home's geographic location.

Oregon Radon Awareness Program (ORAP) requests radon test kit manufacturers to voluntarily submit short-term and long-term radon tests. These tests have been conducted mainly by residents of single-family homes. This information is used to identify radon risk levels in Oregon and is uploaded to create the radon risk map.

Map of Radon Risk in Oregon

Radon Risk Level Description

Radon Risk Level Summary Table

Remember: The map provided should not be used to substitute for radon testing of an individual home. Home radon test results can vary greatly from neighbor to neighbor. The only way to know if you have high radon levels is to test your home.

Free Short-Term Radon Test Kits

Oregon Radon Awareness Program (ORAP) provides a free short-term radon test kit to those living in areas of Oregon where little radon testing has been done. This information helps the Oregon Radon Awareness Program and partner organizations to understand radon risk levels in Oregon.

Do You Qualify for a Free Radon Test?

  1. Open the PDF and find your ZIP Code
    1. Qualifying ZIP Code PDF
  2. If your ZIP code is listed in the PDF, you qualify for a free test kit. These ZIP codes are in areas where little radon testing has been done.
    1. If you qualify, email radon.program@oha.oregon.gov with your:
      1. name
      2. home address
      3. mailing address (if different from home)
      4. email address
  3. Once your email is processed, the test kit will be mailed to you from AirChek. Test kit instructions will be included in the test kit packet. Follow the instructions for best results.

Note: The radon test kits are intened to be used for the primary residence. One radon test kit will be given per household. The qualifying ZIP codes list is updated on a yearly basis in December. 

If my ZIP Code Doesn't Qualify, Where Can I get a Test Kit?

  • American Lung Association sells short-term radon test kits for $18, and long-term test kits for $30. The price of kits includes shipping and lab analysis.
  • Nonprofit Home Inspections offers a free radon test to those that qualify as low/moderate income levels.
  • Most local hardware stores sell radon test kits for $15-$25.
  • Online retailers.