Add Yahoo as a preferred source to see more of our stories on Google. Smog settles around Delhi's famed Red Fort in the early hours of November. - Sanchit Khanna/Hindustan Times/Getty Images It’s easy ...

Dhaka, March 10 -- Dhaka, the densely populated capital of Bangladesh, ranked second among the world's most polluted cities on Tuesday morning, recording an Air Quality Index (AQI) of 212 at 9:10 am.

Dhaka, March 6 -- Dhaka, the densely populated capital of Bangladesh, ranked second among the world's most polluted cities on Friday morning, recording an Air Quality Index (AQI) of 286 at 11:53 am.

According to a report by the Centre for Research on Energy and Clean Air, Ghaziabad topped the list of the most polluted ...

New Delhi (CNN) — Around 20 million people in India’s capital woke up on Wednesday breathing the most polluted air of any major city in the world, a day after celebrations for the Diwali festival, ...

Dhaka, March 9 -- Dhaka, Bangladesh's densely populated capital, ranked 4th among the world's most polluted cities on Monday morning, recording an Air Quality Index (AQI) of 199 at 10:37am.

Smog settles around Delhi's famed Red Fort in the early hours of November. - Sanchit Khanna/Hindustan Times/Getty Images It’s easy to tell when it’s smog season in New Delhi; the air gets darker, ...