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 239.2 Bq/m³, based on Airthings measurements across 7 cities.
Updated October 19, 2026
Highest city
239.2Bq/m³
Alberton
Prince Edward Island city average
153.8Bq/m³
across 7 cities
Above action level
2/ 7
cities
| # | Location | Avg level | vs action level |
|---|---|---|---|
| 1 | Alberton | 239.2 Bq/m³ | 1.2× over |
| 2 | Kensington | 211.7 Bq/m³ | 1.1× over |
| ✓ Below EPA action level (200 Bq/m³) | |||
| 3 | Cornwall | 190.4 Bq/m³ | 1.0× under |
| 4 | Charlottetown | 145.7 Bq/m³ | 0.7× under |
| 5 | Summerside | 104.1 Bq/m³ | 0.5× under |
| 6 | Montague | 94.0 Bq/m³ | 0.5× under |
| 7 | Belfast | 91.7 Bq/m³ | 0.5× under |