Radon Zones

Radon Zone Descriptions

Counties with predicted average indoor Radon screening levels:

Zone 1: Greater than 4 pCi/L

Zone 2: From 2 to 4 pCi/L

Zone 3: Less than 2 pCi/L

Enter your county in the search field below to find your Radon Zone.

Additional Resources

Indoor Air Quality Detectors
Airthings Wave Smart Radon Detector with free app
Corentium Home Radon Detector
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Radiological Water Testing
Standard Radiological Water Testing Package
Deluxe Radiological Water Testing Package