Punjab authorities have banned most outdoor activities and told some shops to shut early as smog-induced illnesses soar.

Thick, black and toxic smog engulfed the skies of Pakistan as unprecedented pollution levels continued to make the lives of ...

Air quality worsens in the winter because colder and drier air traps pollution, rather than lifting it away, as warm air does when it rises. Though major South Asian cities suffer with poisonous smog ...