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 August 16, 2026
Highest city
220.1Bq/m³
Alberton
Prince Edward Island city average
150.4Bq/m³
across 7 cities
Above action level
2/ 7
cities
| # | Location | Avg level | Monitors | vs action level |
|---|---|---|---|---|
| 1 | Alberton | 220.1 Bq/m³ | 7 | 1.1× over |
| 2 | Kensington | 209.7 Bq/m³ | 12 | 1.0× over |
| ✓ Below EPA action level (200 Bq/m³) | ||||
| 3 | Cornwall | 195.9 Bq/m³ | 30 | 1.0× under |
| 4 | Charlottetown | 138.2 Bq/m³ | 91 | 0.7× under |
| 5 | Summerside | 105.7 Bq/m³ | 12 | 0.5× under |
| 6 | Belfast | 91.7 Bq/m³ | 6 | 0.5× under |
| 7 | Montague | 91.2 Bq/m³ | 6 | 0.5× under |