Add Yahoo as a preferred source to see more of our stories on Google. The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) But many ...

Delhi residents woke up to an alarming air quality crisis on Tuesday, just a day after Diwali celebrations. Thick smog and toxic air have pushed the city’s pollution levels into the ‘Very Poor’ to ...

Air pollution levels across Punjab have once again reached alarming heights, with Lahore topping the list of the world's most polluted cities on Wednesday. According to global air monitoring agency ...