Swiss air quality monitoring platform IQAir ranked Delhi as the world's most polluted city on Tuesday (October 21). Most areas in the national capital recorded 'very poor' to 'severe' air quality a day after Diwali. Pakistan's Lahore and Karachi, India's Kolkata and Mumbai, Uzbekistan's Tashkent were also on the list, along with Congo's Kinshasa, Kuwait's Kuwait City and Australia's Canberra.
short by
Sakshita Khosla /
03:34 pm on
21 Oct