Why is north India blanketed by smog every winter? Why has smog appeared earlier this year? We explain the basics and beyond.

Delhi faces severe air pollution, prompting the government to introduce staggered work hours to reduce vehicular emissions.

Delhi's average Air Quality Index has remained in the 'severe' category over the past few days, and other cities of India ...

The presence of air pollutants such as carbon monoxide, sulfur dioxide and nitrogen dioxide in the atmosphere causes ...

The skies over Lahore and much of Punjab have become a toxic haze, a stark reminder of Pakistan’s growing environmental ...

An explainer on smog after Delhi's AQI hits 488 as thick smog from stubble burning, weather, and pollutants chokes the city, ...

The term "smog" was derived from the merging of "smoke" and "fog," which was used in the early 20th century to refer to atmospheric conditions in industrial cities, especially when it was foggy ...

Schools reopened Wednesday in Pakistan's most populated province after authorities announced a drop in dangerous air ...