The city of Lahore reported hazardous levels of air pollution on Sunday. Pakistani officials have blamed India for some of it.

Pakistani officials say dangerously poor air quality has forced the provincial government in Lahore to close primary schools for a week.

Pakistan's second city of Lahore will close primary schools for a week over record pollution, government authorities said Sunday, to avoid exposing millions of children to smog several times above levels deemed dangerous.

Unprecedented air pollution levels in Pakistan's second-largest city of Lahore prompted authorities to take emergency measures on Sunday, including issuing work-from-home mandates and closing primary schools.

A toxic cloud of smog has swept over Pakistan and India, causing one of Pakistan's major cities to put schools on lockdown. On Sunday, the capital of the Punjab region of Pakistan, Lahore, held the real-time top spot as the world's most polluted city,

WHO