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Africa

Air quality in Kenya

Capital: NairobiEnglish, SwahiliUpdated October 2026
20µg/m³ national average

Air quality in Kenya

People in Kenya breathe an average of 20 µg/m³ of PM2.5 (2023), 4× the WHO guideline. Polluted.

Air quality by place in Kenya

Measured annual averages from the WHO Ambient Air Quality Database.

PlacePM2.5YearLevel
Mombasa10.8 µg/m³2019Moderate
Nairobi13.1 µg/m³2021Moderate

Air quality by place

Sources

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