Onitsha Is Now The Most Polluted City In The World, 3 Other Nigerian City Made The List – SEE

Onitsha

According to World Health Organisation Urban Ambient Air Pollution Database 2016, Onitsha is the most polluted city in the world.

3 other Nigerian city made the list. Kaduna, Aba & Umuahia (both in Abia state) also made the list.
See the graph in picture below

Polluted cities

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