New Delhi hasn't topped the list but holds the second position as the world's most polluted city with AQI of 185 which falls ...

The U.N. has identified Kabwe, a city of almost 300,000 people in Zambia, as one of the most polluted places on the planet.

This city of almost 300,000 people ... "At some point, Kabwe was described as the most polluted town in the world – it's going to take time to remediate a town like that," he said.