How low cost sensors are tracking air quality in East Africa’s largest city

Air quality sensor inside a protective plastic tube with air intake on the left.

Like many African cities, Nairobi does not regularly monitor its urban air quality, even as the levels of air pollution worsen to the point where a brown haze regularly develops over the central business district.

While Kenya has gazetted laws such as the Air Quality Regulations passed in 2014 to limit air pollution and protect the air that we breathe, there is limited information on the level of particulate air pollutants in Nairobi, and this lack of data makes it difficult to assess the potential impact…


A pan-African citizen science initiative using sensors to monitor air, water and sound pollution to give citizens actionable information about their cities.

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store