Chad, in central Africa, is the world’s most polluted country, while California has the worst air pollution in North America, ...
IQAir's report highlights that 13 of the top 20 most polluted cities worldwide are in India, including Mullanpur and ...
Thirteen of the world's top 20 most polluted cities are in India, with Byrnihat in Assam topping the list, according to a new ...