Alaska Cities Ranked by Indoor Radon Levels
Measured averages from Airthings devices across Alaska, USA. Action level: 4 pCi/L — the threshold at which remediation is recommended.
Farm Loop has the highest measured indoor radon in Alaska at 4.5 pCi/L, based on Airthings measurements across 10 cities.
Updated August 16, 2026
Highest city
4.5pCi/L
Farm Loop
Alaska city average
2.8pCi/L
across 10 cities
Above action level
1/ 10
cities
| # | Location | Avg level | Monitors | vs action level |
|---|---|---|---|---|
| 1 | Farm Loop | 4.5 pCi/L | 9 | 1.1× over |
| ✓ Below EPA action level (4 pCi/L) | ||||
| 2 | Fairbanks | 4.0 pCi/L | 27 | 1.0× under |
| 3 | College | 3.4 pCi/L | 12 | 0.8× under |
| 4 | Ester | 3.3 pCi/L | 24 | 0.8× under |
| 5 | Lakes | 3.2 pCi/L | 6 | 0.8× under |
| 6 | Eagle River | 2.8 pCi/L | 18 | 0.7× under |
| 7 | Palmer | 2.7 pCi/L | 6 | 0.7× under |
| 8 | North Pole | 1.7 pCi/L | 6 | 0.4× under |
| 9 | Wasilla | 1.3 pCi/L | 6 | 0.3× under |
| 10 | Anchorage | 1.0 pCi/L | 56 | 0.3× under |