EPA Zone Data 2026
AS Radon Levels
View EPA radon zone classifications for every county in AS. Select your county to see detailed risk data, testing recommendations, and mitigation cost estimates.
0
Zone 1
High Risk
High Risk
0
Zone 2
Moderate
Moderate
0
Zone 3
Low Risk
Low Risk
Eastern District
Zone 0
Manu'a District
Zone 0
Rose Island
Zone 0
Swains Island
Zone 0
Western District
Zone 0
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