Arkansas Cities Ranked by Indoor Radon Levels
Measured averages from Airthings devices across Arkansas, USA. Action level: 4 pCi/L — the threshold at which remediation is recommended.
Rogers has the highest measured indoor radon in Arkansas at 7.8 pCi/L, based on Airthings measurements across 14 cities.
Updated August 16, 2026
Highest city
7.8pCi/L
Rogers
Arkansas city average
2.5pCi/L
across 14 cities
Above action level
1/ 14
cities
| # | Location | Avg level | Monitors | vs action level |
|---|---|---|---|---|
| 1 | Rogers | 7.8 pCi/L | 8 | 2.0× over |
| ✓ Below EPA action level (4 pCi/L) | ||||
| 2 | Hot Springs Village | 3.7 pCi/L | 13 | 0.9× under |
| 3 | Benton | 3.5 pCi/L | 6 | 0.9× under |
| 4 | Bella Vista | 2.6 pCi/L | 32 | 0.6× under |
| 5 | Goshen | 2.5 pCi/L | 12 | 0.6× under |
| 6 | Farmington | 2.5 pCi/L | 6 | 0.6× under |
| 7 | Fayetteville | 2.5 pCi/L | 24 | 0.6× under |
| 8 | Bentonville | 2.4 pCi/L | 49 | 0.6× under |
| 9 | Johnson | 1.8 pCi/L | 12 | 0.4× under |
| 10 | Lowell | 1.4 pCi/L | 6 | 0.3× under |
| 11 | Centerton | 1.3 pCi/L | 7 | 0.3× under |
| 12 | Maumelle | 1.1 pCi/L | 13 | 0.3× under |
| 13 | Conway | 0.9 pCi/L | 6 | 0.2× under |
| 14 | Little Rock | 0.6 pCi/L | 10 | 0.1× under |