Smog is a term that becomes ... Joy Pillai October 23, 2024 1:19 AM IST This city of Pakistan has earned the title of the world's most polluted city, with an Air Quality Index (AQI) of 394.

after the air quality index in the capital city hit a record high over the weekend. Toxic grey smog has sickened tens of thousands of people, mainly children and elderly people, since last month ...