Pakistan's Lahore remained the world's most polluted city, while visibility in parts of northern India fell to zero. Seasonal crop burning, low winds, and dropping temperatures contribute to toxic smog in these regions.

The U.N. children’s agency is warning that the health of 11 million children in Pakistan’s eastern Punjab province is in danger because of air pollution that experts say has become a fifth season in r

Pakistan's province of Punjab set up a "smog war room" to tackle severe pollution, officials said, as poor air quality turned its capital of Lahore into the world's most polluted city and forced the closure of some educational institutions.

Punjab authorities have banned most outdoor activities and told some shops to shut early as smog-induced illnesses soar. Schools have also been closed to protect children, who are at high risk from the pollution.

Pakistan’s cities slip under toxic smog as live readings for Lahore show PM2.5 levels 100 times over what WHO prescribes

Air quality deteriorated to hazardous levels in New Delhi on Wednesday as toxic smog blanketed India, leaving residents of the capital complaining of “apocalyptic” scenes. The crisis also affected neighbouring Pakistan,

The United Nations Children's Fund (UNICEF) has raised concerns about the health risks facing 11 million children in Pakistan's eastern Punjab province due to worsening air pollution, which experts say has effectively become a "fifth season" in recent years.