Lahore, Pakistan’s second-largest city, was ranked as the world’s most polluted city last week, with a record-high pollution reading of 1,900 near the Pakistan-India border. Now, Pakistan’s Punjab gov

Primary schools in Lahore will remain closed for a week because of the pollution, according to a government notification.

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.