All but one of the world’s top 20 most polluted cities last year were in Asia, a new study shows. The majority of these ...

Data from more than 40,000 air quality monitoring stations in 138 countries, territories and regions were analyzed for the ...

The countries with the worst air quality included Bangladesh and India, according to an annual report from IQAir.

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

Thirteen of the world's top 20 most polluted cities are in India, with Byrnihat in Assam topping the list, according to a new ...

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

All but one of the world’s top 20 most polluted cities last year were in Asia, a new study shows. The majority of these ...

The World Air Quality Report 2024 reveals India's pollution crisis, with Delhi as the most polluted capital globally.