Right now
The most recent data we hold from World Air Quality Index arrived 32 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
3 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
Reported by World Air Quality Index today.
It is the 2nd strongest of the 11 detections recorded within 20 km of this point since 2 September 2026. The last comparable one was on 28 September 2026. 9 more were recorded here in the fortnight before it.
What the source measured
World Air Quality Index reported: AQI 161 (Unhealthy) at Coyhaique II, Chile
The air quality index read 161 (Unhealthy) at the Coyhaique II, Chile station.
Urban PEI: 23,908 within a heuristic 5 km radius; not unique people.
Nearby, since 2 September 2026
- September 27, 2026 · score 58 · 0.0 km
- September 26, 2026 · score 41 · 0.0 km
- September 19, 2026 · score 41 · 0.0 km
How we know
2 recorded sources include World Air Quality Index; independence is not established by this count.
Our own score for this event is 41 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Air Quality |
| Severity | Medium |
| Calamity Score (ours) | 41 / 100 |
| Legacy data-support index | 0.70/1 |
| Coordinates | -45.5790, -72.0500 |
| Nearest City | Coyhaique (2 km) |
| Urban exposure index (PEI) | 23.9K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-09-29T01:00:00.000Z |
| Source | https://aqicn.org/city/@5141 |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: waqi. Occurrence: 2026-09-29T01:00:00.000Z.
First archived: 2026-09-29T04:16:05.276Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Aqi | 161 |
| AqiCategory | Unhealthy |
| StationName | Coyhaique II, Chile |
| StationUid | 5141 |
| Network | official |
| Openaq Pm25 | 98.5 |
| Openaq AqiCategory | Unhealthy |
| Openaq AqiCategoryVersion | US-EPA-PM25-2024-05-06 |
| Openaq MeasurementUnit | ug/m3 |
| Openaq OriginalValue | 98.5 |
| Openaq OriginalUnit | µg/m³ |
| Openaq AveragingPeriod | local calendar day |
| Openaq PeriodFrom | 2026-09-28T03:00:00.000Z |
| Openaq PeriodTo | 2026-09-29T03:00:00.000Z |
| Openaq PeriodHours | 24 |
| Openaq PercentCoverage | 88 |
| Openaq MinimumCoveragePolicy | 75 |
| Openaq SensorId | 3510 |
| Openaq StationName | Coyhaique |
| Openaq Country | Chile |
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.
Review the area, threshold and delivery channel in your account.
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