New study maps air pollution hotspots across Nairobi
Low-cost sensors placed around the city show pollution peaking near busy junctions and informal waste burning sites.
5 min read
Independent environmental journalism
Data / Health data
Average PM2.5 over the past seven days at monitoring sites across the city.
Sample dataUpdated 13 Oct 2026, 07:00 EAT
Low-cost sensors placed around the city show pollution peaking near busy junctions and informal waste burning sites.
5 min read