Right now
The most recent data we hold from World Air Quality Index arrived 86 minutes ago, and this point is in it.
3 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
Reported by World Air Quality Index today.
No stronger detection stands among the 11 recorded within 20 km of this point since 23 May 2026 — 3 others scored the same. The last comparable one was on 11 September 2026. 7 more were recorded here in the fortnight before it.
What the source measured
World Air Quality Index reported: AQI 165 (Unhealthy) at Changde (常德)
The air quality index read 165 (Unhealthy) at the Changde (常德) station.
An estimated 1,013,365 people live within 5 km of this point.
Nearby, since 23 May 2026
- September 11, 2026 · score 59 · 0.0 km
- September 7, 2026 · score 59 · 0.0 km
- September 6, 2026 · score 59 · 0.0 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 59 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) | 59 / 100 |
| Our confidence | 65% |
| Coordinates | 29.0317, 111.6985 |
| Nearest City | Changde (0 km) |
| Population Exposed | 1.0M within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-09-12T16:00:00.000Z |
| Source | https://aqicn.org/city/@1536 |
Score Breakdown
Technical Details
| Aqi | 165 |
| AqiCategory | Unhealthy |
| StationName | Changde (常德) |
| StationUid | 1536 |
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.
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