Oklahoma Cities Ranked by Indoor Radon Levels
Measured averages from Airthings devices across Oklahoma, USA. Action level: 4 pCi/L — the threshold at which remediation is recommended.
Justice has the highest measured indoor radon in Oklahoma at 1.9 pCi/L, based on Airthings measurements across 11 cities.
Updated August 30, 2026
Highest city
1.9pCi/L
Justice
Oklahoma city average
1.1pCi/L
across 11 cities
Above action level
0/ 11
cities
| # | Location | Avg level | vs action level |
|---|---|---|---|
| 1 | Justice | 1.9 pCi/L | 0.5× under |
| 2 | The Village | 1.6 pCi/L | 0.4× under |
| 3 | Edmond | 1.3 pCi/L | 0.3× under |
| 4 | Jenks | 1.2 pCi/L | 0.3× under |
| 5 | Ardmore | 1.1 pCi/L | 0.3× under |
| 6 | Oklahoma City | 1.1 pCi/L | 0.3× under |
| 7 | Broken Arrow | 1.1 pCi/L | 0.3× under |
| 8 | Tulsa | 1.0 pCi/L | 0.2× under |
| 9 | Moore | 0.7 pCi/L | 0.2× under |
| 10 | Norman | 0.6 pCi/L | 0.2× under |
| 11 | Bixby | 0.6 pCi/L | 0.1× under |