Air pollution – and what can be done to reduce it | DW News

Air pollution is the single biggest environmental threat to the health and wellbeing of people around the world. That's according to the World Health Organisation (WHO).

In 2019, more than a million people across Africa were killed from air pollution. It's the second leading cause of death across the continent, after AIDS. African cities regularly break international guidelines for safe levels of pollutants in the air. Pollution levels in Uganda's capital Kampala are up to seven times higher than the WHO recommends.

The 2021 World Air Quality Report found N'Djamena in Chad to be the most polluted city on the continent. In the previous five years, Chad's capital exceeded the WHO's guidelines for safe air limits by more than 10 times.
N'Djamena is closely followed by Nigeria's main oil refining city, Port Harcourt. And residents of Sudan's capital Khartoum are being told to keep their windows closed and wear a mask when they go outside.


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