Reported by World Air Quality Index 6 days ago.
It is the strongest of the 7 detections recorded within 20 km of this point since 7 July 2026. The last comparable one was on 24 August 2026.
What the source measured
World Air Quality Index reported: AQI 151 (Unhealthy) at Dàshí xī lù, Chengdu (成都大石西路)
The air quality index read 151 (Unhealthy) at the Dàshí xī lù, Chengdu (成都大石西路) station.
An estimated 699,054 people live within 5 km of this point.
Nearby, since 7 July 2026
- August 27, 2026 · score 14 · 14.9 km
How we know
Confirmed by 2 independent sources, including World Air Quality Index.
Our own score for this event is 40 out of 100, at 67 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Air quality |
| Severity | medium |
| Calamity Score (ours) | 40 / 100 |
| Our confidence | 67% |
| Coordinates | 30.6564, 104.0239 |
| Nearest City | Chengdu (5 km) |
| Population Exposed | 699.1K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-08-26T17:00:00.000Z |
| Source | https://aqicn.org/city/@8319 |
Score Breakdown
Technical Details
| Aqi | 151 |
| AqiCategory | Unhealthy |
| StationName | Dàshí xī lù, Chengdu (成都大石西路) |
| StationUid | 8319 |
| Openmeteo Aq Pm25 | 107.8 |
| Openmeteo Aq Pm10 | 108.3 |
| Openmeteo Aq UsAqi | 172 |
| Openmeteo Aq AqiCategory | Unhealthy |
| Openmeteo Aq City | Chengdu |
| Openmeteo Aq Country | China |
| MergedSources | [{"id":"openmeteo_aq_chengdu","source":"openmeteo_aq","severity":"medium","severityValue":46.6,"timestamp":1787756400000,"latitude":30.6,"longitude":104.1}] |
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 Chengdu?
Calamity.live data shows a air quality event with CalamityScore 40/100, near Chengdu (China), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.