Onitsha, the capital city of Anambra state of Nigeria has been tagged the most polluted on earth, by the World Health Organisation [WHO].
The report released by the global health body, puts Onitsha as the first amongst other three Nigerian cities make the list of 10 most polluted cities of the world.
While Onitsha is first, Kaduna is the fifth and Aba, in Abia State, follows at the sixth position.
The report says Onitsha produces pollution levels of approximately 600 micrograms per cubic meter of PM10s which is around 30 times the WHO recommended level of 20 micrograms per cubic meter of PM10s. The report says Umuahia, capital of Abia State, is at the 16th.