Radon Levels in Alaska
30 counties — 0 high risk, 5 moderate, 25 low risk
Alaska Radon Zone Map
Counties colored by EPA radon zone. Red = Zone 1, Orange = Zone 2, Green = Zone 3.
Check Your Alaska ZIP Code
All 30 Counties — By Radon Risk
Sources: EPA Map of Radon Zones, CDC Environmental Health Tracking Network
Frequently Asked Questions
How many counties in Alaska have high radon risk?
Alaska has 0 counties classified as EPA Zone 1 (high radon risk), 5 as Zone 2 (moderate), and 25 as Zone 3 (low risk).
Is radon a problem in Alaska?
The EPA recommends all homes in Alaska be tested for radon, regardless of which zone they're in.
How do I check radon levels for my Alaska address?
Enter your ZIP code in the search box above to see your county's EPA radon zone and available testing data. For your specific home's radon level, you'll need a radon test kit.