KATHMANDU: Kathmandu has become the most polluted city in the world again.

According to IQ Air, which has been measuring air pollution in Switzerland, Kathmandu has become the most polluted city in the world.

IQ Air remarked that Kathmandu has an air quality index of 154. Similarly, Kolkata city of India is in the second place in terms of air pollution level. The air pollution index there is 152.

Dhaka, the capital city of Bangladesh, is in the third position in terms pollution. It has an air pollution index of 150, IQ Air claimed.

Similarly, Mumbai in India is in the fourth place and Milan in Italy is in the fifth place.

The Indian capital, Delhi, ranks seventh on the list.