Add Yahoo as a preferred source to see more of our stories on Google. In the past weeks, many parts of Delhi recorded an air quality index (AQI) well over 400 – a level considered “severe” under ...

Hazardous air quality, dense smog and a spike in respiratory illnesses have once again gripped Delhi this winter. As the capital’s air quality remained in the severe category for most of the week, the ...

Beijing reported cleaner air than ever in 2025, with 311 days of good or moderate air quality. It’s largely thanks to strict emissions regulations and the growth of electric cars in Chinese cities. In ...