Prince Edward Island Cities Ranked by Indoor Radon Levels
Measured averages from Airthings devices across Prince Edward Island, Canada. Action level: 200 Bq/m³ — the threshold at which remediation is recommended.
Alberton has the highest measured indoor radon in Prince Edward Island at 220.1 Bq/m³, based on Airthings measurements across 7 cities.
Updated September 28, 2026
Highest city
220.1Bq/m³
Alberton
Prince Edward Island city average
151.5Bq/m³
across 7 cities
Above action level
2/ 7
cities
| # | Location | Avg level | vs action level |
|---|---|---|---|
| 1 | Alberton | 220.1 Bq/m³ | 1.1× over |
| 2 | Kensington | 211.4 Bq/m³ | 1.1× over |
| ✓ Below EPA action level (200 Bq/m³) | |||
| 3 | Cornwall | 193.4 Bq/m³ | 1.0× under |
| 4 | Charlottetown | 147.2 Bq/m³ | 0.7× under |
| 5 | Summerside | 105.0 Bq/m³ | 0.5× under |
| 6 | Belfast | 91.7 Bq/m³ | 0.5× under |
| 7 | Montague | 91.7 Bq/m³ | 0.5× under |