Right now
The most recent data we hold from World Air Quality Index arrived 6 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
One other detection within 20 km in the last 24 hours, 5 km from here.
Reported by World Air Quality Index yesterday.
It is the 2nd strongest of the 8 detections recorded within 20 km of this point since 24 August 2026. The last comparable one was on 8 September 2026.
What the source measured
World Air Quality Index reported: AQI 205 (Very Unhealthy) at Osorno, Chile
The air quality index read 205 (Very Unhealthy) at the Osorno, Chile station.
An estimated 62,450 people live within 5 km of this point.
Nearby, since 24 August 2026
- September 10, 2026 · score 59 · 0.0 km
- September 8, 2026 · score 46 · 0.0 km
- September 6, 2026 · score 46 · 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 53 out of 100, at 61 % 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 | High |
| Calamity Score (ours) | 53 / 100 |
| Our confidence | 61% |
| Coordinates | -40.5845, -73.1187 |
| Nearest City | Osorno (2 km) |
| Population Exposed | 62.5K within 5 km |
| Impact Tier | severe |
| Timestamp | 2026-09-09T23:00:00.000Z |
| Source | https://aqicn.org/city/@428 |
Score Breakdown
Technical Details
| Aqi | 205 |
| AqiCategory | Very Unhealthy |
| StationName | Osorno, Chile |
| StationUid | 428 |
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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