A Swiss company that tracks global air quality has named Delhi the world’s most polluted national capital for the sixth year ...

Chad in central Africa is the world’s most polluted country, while California has the worst air pollution in North America, ...

India houses 13 of the world’s 20 most polluted cities, with Assam’s Byrnihat topping the list, according to a report by ...

Despite an improvement in 2024, India again dominated global rankings for the cities with the most dangerous particle smog ...

Thirteen of the world's twenty most polluted cities are in India, with Byrnihat being the most polluted globally. Delhi ...