Reported by World Air Quality Index 9 days ago.
It is the 132nd strongest of the 208 detections recorded within 20 km of this point since 14 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
World Air Quality Index reported: AQI 171 (Unhealthy) at Pudahuel, Chile
The air quality index read 171 (Unhealthy) at the Pudahuel, Chile station.
An estimated 49,950 people live within 5 km of this point.
Nearby, since 14 March 2026
- August 27, 2026 · score 31 · 5.8 km
- August 25, 2026 · score 31 · 12.3 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.
Event Data
| Type | Air quality |
| Severity | medium |
| Calamity Score (ours) | 26 / 100 |
| Our confidence | 63% |
| Coordinates | -33.4378, -70.7502 |
| Nearest City | Lo Prado (2 km) |
| Population Exposed | 50.0K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-08-23T04:00:00.000Z |
| Source | https://aqicn.org/city/@432 |
Score Breakdown
Technical Details
| Aqi | 171 |
| AqiCategory | Unhealthy |
| StationName | Pudahuel, Chile |
| StationUid | 432 |
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 Lo Prado?
Calamity.live data shows a air quality event with CalamityScore 26/100, near Lo Prado (Chile), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.