Reported by World Air Quality Index today.
It is the 2nd strongest of the 5 detections recorded within 20 km of this point since 15 August 2026. The last comparable one was on 2 September 2026.
What the source measured
World Air Quality Index reported: AQI 155 (Unhealthy) at shì dì sān shuǐ chǎng, Leshan (乐山市第三水厂)
The air quality index read 155 (Unhealthy) at the shì dì sān shuǐ chǎng, Leshan (乐山市第三水厂) station.
An estimated 35,978 people live within 5 km of this point.
Nearby, since 15 August 2026
- September 2, 2026 · score 50 · 4.2 km
- August 15, 2026 · score 35 · 4.2 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 41 out of 100, at 65 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Air Quality |
| Severity | Medium |
| Calamity Score (ours) | 41 / 100 |
| Our confidence | 65% |
| Coordinates | 29.6007, 103.7506 |
| Nearest City | Leshan (5 km) |
| Population Exposed | 36.0K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T04:00:00.000Z |
| Source | https://aqicn.org/city/@5699 |
Score Breakdown
Technical Details
| Aqi | 155 |
| AqiCategory | Unhealthy |
| StationName | shì dì sān shuǐ chǎng, Leshan (乐山市第三水厂) |
| StationUid | 5699 |
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 8 March 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 Leshan?
Calamity.live data shows a air quality event with CalamityScore 41/100, near Leshan (China), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.