Air quality near Klamath Falls
Reported by World Air Quality Index 20 days ago.
It is the strongest of the 5 detections recorded within 20 km of this point since 10 August 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
World Air Quality Index reported: AQI 188 (Unhealthy) at Main Street
The air quality index read 188 (Unhealthy) at the Main Street station.
An estimated 15,959 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 26 out of 100, at 60 % 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 | 60% |
| Coordinates | 42.2292, -121.7702 |
| Nearest City | Klamath Falls (1 km) |
| Population Exposed | 16.0K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T19:50:44.000Z |
| Source | https://aqicn.org/city/@-494020 |
Score Breakdown
Technical Details
| Aqi | 188 |
| AqiCategory | Unhealthy |
| StationName | Main Street |
| StationUid | -494020 |
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 Klamath Falls?
Calamity.live data shows a air quality event with CalamityScore 26/100, near Klamath Falls (United States), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.