Nine of the ten most polluted cities in Nigeria are in the south. Onitsha, Anambra state has the ignoble honor of being the most pulluted city in Nigeria
That was the finding of a World Health Organization (WHO) report about air quality which examined PM 2.5 (fine particulate pollution) and PM 10 (coarse pollution particles) levels in cities across the globe.
Here are the top 10 most polluted cities in Nigeria:
Most Polluted (Air) Cities in Nigeria