Smog is particularly bad during the winter. This is because the cold, dense air traps emissions from poor-quality fuels used to power the city’s vehicles and factories at ground level.

Southeast Asian cities were among five most polluted in the world on Friday according to air-monitoring organisation IQAir, ...

Decreased visibility caused fatal collisions of cars and buses; polluted air would spread to the farms beyond the city and damage entire crops in a few hours. It would take years for scientists to ...

The grey cloud of smog has scrambled people's routines in the sprawling mega-city. Officials have urged ... Authorities have shut down large construction sites, restricted the use of older ...

An curved arrow pointing right. Parts of South Asia are filled with toxic smog, hurting not only residents' health, but the economies of India and Pakistan. More from News Parts of South Asia are ...