Reported by World Air Quality Index today.
It is the 31st strongest of the 48 detections recorded within 20 km of this point since 9 April 2026. The last comparable one was on 27 August 2026.
What the source measured
World Air Quality Index reported: AQI 187 (Unhealthy) at Osu Presby Prep School
The air quality index read 187 (Unhealthy) at the Osu Presby Prep School station.
An estimated 889,075 people live within 5 km of this point.
Nearby, since 9 April 2026
- August 23, 2026 · score 14 · 10.4 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 32 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) | 32 / 100 |
| Our confidence | 62% |
| Coordinates | 5.5582, -0.1823 |
| Nearest City | Osu (1 km) |
| Population Exposed | 889.1K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-08-31T18:00:00.000Z |
| Source | https://aqicn.org/city/@-560125 |
Score Breakdown
Technical Details
| Aqi | 187 |
| AqiCategory | Unhealthy |
| StationName | Osu Presby Prep School |
| StationUid | -560125 |
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 32/100, near Osu (Ghana), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.