Reported by World Air Quality Index 109 days ago.
It is the 2nd strongest of the 9 detections recorded within 20 km of this point since 10 March 2026. The last comparable one was on 29 April 2026.
What the source measured
World Air Quality Index reported: AQI 810 (Hazardous) at Stockholm Lilla Essingen, Sweden
The air quality index read 810 (Hazardous) at the Stockholm Lilla Essingen, Sweden station.
An estimated 266,886 people live within 5 km of this point.
Nearby, since 10 March 2026
- May 18, 2026 · score 35 · 0.0 km
- May 28, 2026 · score 31 · 13.7 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 35 out of 100, at 60 % 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 | Critical |
| Calamity Score (ours) | 35 / 100 |
| Our confidence | 60% |
| Coordinates | 59.3255, 18.0044 |
| Nearest City | Kungsholmen (2 km) |
| Population Exposed | 266.9K within 5 km |
| Impact Tier | severe |
| Timestamp | 2026-05-18T15:00:00.000Z |
| Source | https://aqicn.org/city/@7872 |
Score Breakdown
Technical Details
| Aqi | 810 |
| AqiCategory | Hazardous |
| StationName | Stockholm Lilla Essingen, Sweden |
| StationUid | 7872 |
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 near Kungsholmen?
Calamity.live data shows a air quality event with CalamityScore 35/100, near Kungsholmen (Sweden), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.