EPA Zone Data 2026
AK Radon Levels
View EPA radon zone classifications for every county in AK. Select your county to see detailed risk data, testing recommendations, and mitigation cost estimates.
0
Zone 1
High Risk
High Risk
6
Zone 2
Moderate
Moderate
19
Zone 3
Low Risk
Low Risk
Aleutians East
Zone 3
Aleutians West
Zone 3
Anchorage
Zone 2
Bethel
Zone 3
Bristol Bay
Zone 3
Denali
Zone 3
Dillingham
Zone 3
Fairbanks North Star
Zone 2
Haines
Zone 3
Hoonah-Angoon
Zone 0
Juneau
Zone 3
Kenai Peninsula
Zone 2
Ketchikan Gateway
Zone 2
Kodiak Island
Zone 3
Lake and Peninsula
Zone 3
Matanuska-Susitna
Zone 2
Nome
Zone 3
North Slope
Zone 3
Northwest Arctic
Zone 3
Petersburg
Zone 0
Prince of Wales-Hyder
Zone 0
Sitka
Zone 3
Skagway
Zone 3
Southeast Fairbanks
Zone 2
Valdez-Cordova
Zone 3
Wade Hampton
Zone 3
Wrangell
Zone 0
Yakutat
Zone 3
Yukon-Koyukuk
Zone 3
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