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  • Home
  • Radon Information
    • What is Radon?
    • Radon Facts
    • Cancer and Radon
    • Granite and Radon
    • Radon FAQ
    • EPA Radon Publications
    • EPA Radon Slideshow
    • Other Radon Links
  • Radon Resources
    • Interactive Radon Map
    • Radon Levels by State
    • Radon News by State
    • What is a safe level of radon?
    • Radon Mitigation
    • Radon Mitigation Book
    • School Testing
    • Radon Training
    • Radon Testing & Radon Mitigation Contractor Near Me
  • Radon Test Kits & More
    • Home Testing
    • Large Scale Testing
    • Testing Instructions
    • Other Products
    • Test Result Lookup
    • Order Now
  • Find Radon Contractor
  • About Air Chek
    • Who We Are
    • Air Chek Test Kits
    • Licenses & Certifications
    • Radon Analysis
    • In the News
    • Contact Us

Interactive Radon Map

Radon Levels by State and by County

Interactive Radon Map

Colors denote average* radon levels. Click a state to view county levels.

*The data presented above have been collected from Air Chek, Inc., the US EPA, and various state and county health departments.

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Radon Information

  • What is Radon?
  • Radon Facts
  • Cancer and Radon
  • Granite and Radon
  • Radon FAQ
  • EPA Radon Publications
  • EPA Slideshow for Public Service Professionals
  • Other Radon Links

Radon Resources

  • Interactive Radon Map
  • Radon Levels by State
  • Radon News by State
  • What is a safe level?
  • Radon Mitigation
  • Radon Mitigation Book
  • School Testing
  • Radon Training
  • Find a Radon Professional

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  • Large Scale Testing
  • Testing Instructions
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  • Interactive Radon Map
  • Radon Levels by State
  • Radon News by State
  • What is a safe level?
  • Radon Mitigation
  • Radon Mitigation Book
  • School Testing
  • Radon Training
  • Find a Radon Professional