Reported by World Air Quality Index today.
It is the strongest of the 53 detections recorded within 20 km of this point since 30 March 2026. The last comparable one was on 31 August 2026.
What the source measured
World Air Quality Index reported: AQI 500 (Hazardous) at Av Belanger
The air quality index read 500 (Hazardous) at the Av Belanger station.
An estimated 149,828 people live within 5 km of this point.
Nearby, since 30 March 2026
- August 31, 2026 · score 19 · 8.0 km
- July 8, 2026 · score 26 · 8.2 km
How we know
One source: World Air Quality Index. Not yet confirmed by a second, independent source.
Our own score for this event is 64 out of 100, at 66 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Air quality |
| Severity | critical |
| Calamity Score (ours) | 64 / 100 |
| Our confidence | 66% |
| Coordinates | 46.8173, -71.2595 |
| Nearest City | Les Rivières (1 km) |
| Population Exposed | 149.8K within 5 km |
| Impact Tier | severe |
| Timestamp | 2026-09-02T04:44:36.000Z |
| Source | https://aqicn.org/city/@-543496 |
Score Breakdown
Technical Details
| Aqi | 500 |
| AqiCategory | Hazardous |
| StationName | Av Belanger |
| StationUid | -543496 |
Safety Information
When air quality is hazardous: stay indoors with windows closed, and run a filtered air purifier if you have one. Avoid outdoor exercise. Children, older adults and anyone with heart or lung conditions are affected first and worst — an N95 respirator helps outdoors, a cloth mask does not.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Les Rivières?
Calamity.live data shows a air quality event with CalamityScore 64/100, near Les Rivières (Canada), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.