Air Quality in United States
Reported by World Air Quality Index 6 days ago.
It is one of only 2 we have recorded within 20 km of this point since 26 August 2026.
What the source measured
World Air Quality Index reported: AQI 160 (Unhealthy) at Big Sur Ranger Station
The air quality index read 160 (Unhealthy) at the Big Sur Ranger Station station.
Nearby, since 26 August 2026
- September 2, 2026 · score 29 · 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 14 out of 100, at 42 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Air Quality |
| Severity | Medium |
| Calamity Score (ours) | 14 / 100 |
| Our confidence | 42% |
| Coordinates | 36.2481, -121.7814 |
| Nearest City | Monterey (40 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-26T20:00:00.000Z |
| Source | https://aqicn.org/city/@-398764 |
Score Breakdown
Technical Details
| Aqi | 160 |
| AqiCategory | Unhealthy |
| StationName | Big Sur Ranger Station |
| StationUid | -398764 |
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.
Want to know when something happens in this area?
Calamity.live data shows a air quality event with CalamityScore 14/100 (United States), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.