Reported by World Air Quality Index today.
It is the 179th strongest of the 226 detections recorded within 20 km of this point since 14 March 2026. The last comparable one was on 27 August 2026.
What the source measured
World Air Quality Index reported: AQI 165 (Unhealthy) at CHS 89 P2 6cd0fd
The air quality index read 165 (Unhealthy) at the CHS 89 P2 6cd0fd station.
An estimated 50,441 people live within 5 km of this point.
This is the highest air quality index we have recorded at this point, over 11 readings since 29 August 2026 — the previous range was 151 to 165.
How we know
One source: World Air Quality Index. Not yet confirmed by a second, independent source.
Our own score for this event is 23 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) | 23 / 100 |
| Our confidence | 67% |
| Coordinates | -33.4882, -70.7347 |
| Nearest City | Maipú (4 km) |
| Population Exposed | 50.4K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-09-01T08:00:58.000Z |
| Source | https://aqicn.org/city/@-573835 |
Score Breakdown
Technical Details
| Aqi | 165 |
| AqiCategory | Unhealthy |
| StationName | CHS 89 P2 6cd0fd |
| StationUid | -573835 |
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.
Calamity.live data shows a air quality event with CalamityScore 23/100, near Maipú (Chile), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.