Reported by World Air Quality Index 9 days ago.
It is the 5th strongest of the 5 detections recorded within 20 km of this point since 27 June 2026. The last comparable one was on 27 June 2026.
What the source measured
World Air Quality Index reported: AQI 157 (Unhealthy) at Bureau of Meteorology, Meishan (眉山气象局)
The air quality index read 157 (Unhealthy) at the Bureau of Meteorology, Meishan (眉山气象局) station.
An estimated 27,578 people live within 5 km of this point.
Nearby, since 27 June 2026
- September 3, 2026 · score 50 · 3.7 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 26 out of 100, at 63 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Air Quality |
| Severity | Medium |
| Calamity Score (ours) | 26 / 100 |
| Our confidence | 63% |
| Coordinates | 30.0874, 103.8416 |
| Nearest City | Meishan (5 km) |
| Population Exposed | 27.6K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-08-25T13:00:00.000Z |
| Source | https://aqicn.org/city/@5703 |
Score Breakdown
Technical Details
| Aqi | 157 |
| AqiCategory | Unhealthy |
| StationName | Bureau of Meteorology, Meishan (眉山气象局) |
| StationUid | 5703 |
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 Meishan?
Calamity.live data shows a air quality event with CalamityScore 26/100, near Meishan (China), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.