EPA Zone Data 2026
Alaska Radon Map, Levels & Testing Guide
View EPA radon zone classifications for every county in Alaska. Open your county to compare basement test meaning, EPA action thresholds, and when mitigation pricing becomes worth checking.
0
Zone 1
High Risk
High Risk
6
Zone 2
Moderate
Moderate
19
Zone 3
Low Risk
Low Risk
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If you already have a radon result, skip the directory and move straight to local price guidance.
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Use the fastest valid radon test setup before you compare quotes or ask whether mitigation is worth it.
Browse Counties
Jump to the Directory
Open your county to see its EPA zone, testing meaning, and the point where mitigation becomes worth pricing.
Anchorage County
Zone 2
Fairbanks North Star County
Zone 2
Kenai Peninsula County
Zone 2
Ketchikan Gateway County
Zone 2
Matanuska-Susitna County
Zone 2
Southeast Fairbanks County
Zone 2
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