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

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

Poor air quality poses serious health risks to humans. Industry, energy, and the transportation sector are all major ...

According to the 2024 World Air Quality Report by equipment manufacturer IQAir, New Delhi fares much worse than the capitals of Bangladesh, Pakistan and Nepal.

The most polluted cities in the world last year have been revealed in a new study, with countries in Asia dominating the top ...

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

India, the fifth most polluted country in the world, is home to 13 of the top 20 most polluted cities in the world, according ...

Delhi continued to be India's most polluted megacity during winter 2024-25, with PM2.5 levels averaging 175 micrograms per cubic metre. Though pollution levels decreased compared to the previous year, ...

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

India ranked as the fifth most polluted country worldwide in 2024, with Byrnihat in Meghalaya being the most polluted ...

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