Reported by World Air Quality Index today.
It is the 5th strongest of the 52 detections recorded within 20 km of this point since 1 April 2026. Another comparable one was recorded here earlier the same day.
What the source measured
World Air Quality Index reported: AQI 215 (Very Unhealthy) at Manyatta Ruai
The air quality index read 215 (Very Unhealthy) at the Manyatta Ruai station.
An estimated 6,445 people live within 5 km of this point.
This is the highest air quality index we have recorded at this point, over 12 readings since 4 September 2026 — the previous range was 158 to 215.
Nearby, since 1 April 2026
- September 3, 2026 · score 37 · 0.0 km
- August 26, 2026 · score 14 · 3.2 km
- August 26, 2026 · score 17 · 13.8 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 44 out of 100, at 65 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Air Quality |
| Severity | High |
| Calamity Score (ours) | 44 / 100 |
| Our confidence | 65% |
| Coordinates | -1.2840, 37.0223 |
| Nearest City | Githunguri (4 km) |
| Population Exposed | 6.4K within 5 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T19:00:00.000Z |
| Source | https://aqicn.org/city/@-559963 |
Score Breakdown
Technical Details
| Aqi | 215 |
| AqiCategory | Very Unhealthy |
| StationName | Manyatta Ruai |
| StationUid | -559963 |
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 Githunguri?
Calamity.live data shows a air quality event with CalamityScore 44/100, near Githunguri (Kenya), based on data from waqi. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.