Reported by World Air Quality Index today.
It is the 4th strongest of the 5 detections recorded within 20 km of this point since 30 March 2026. The last comparable one was on 10 August 2026.
What the source measured
World Air Quality Index reported: AQI 159 (Unhealthy) at Eugene Highway 99, Oregon, USA
The air quality index read 159 (Unhealthy) at the Eugene Highway 99, Oregon, USA station.
An estimated 10,559 people live within 5 km of this point.
How we know
One source: World Air Quality Index. Not yet confirmed by a second, independent source.
Our own score for this event is 19 out of 100, at 62 % 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) | 19 / 100 |
| Our confidence | 62% |
| Coordinates | 44.0672, -123.1414 |
| Nearest City | Eugene (5 km) |
| Population Exposed | 10.6K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-08-31T18:00:00.000Z |
| Source | https://aqicn.org/city/@10156 |
Score Breakdown
Technical Details
| Aqi | 159 |
| AqiCategory | Unhealthy |
| StationName | Eugene Highway 99, Oregon, USA |
| StationUid | 10156 |
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 19/100, near Eugene (United States), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.