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

Lahore, Pakistan, experienced record-breaking air pollution on November 2, with an Air Quality Index (AQI) of 1,900, six times higher than the World Health Organization's limit. The Pakistani government attributed the surge to winds carrying pollution from India and seasonal crop residue burning.

In light of the worsening pollution crisis, Lahore's administration has also taken a few emergency steps. Primary schools in several cities have been closed for a week, with parents advised to make their children wear masks.

Not Delhi but Pakistan's Lahore has become the world's most polluted city with an Air Quality Index of 1,900 on Sunday, which is its highest ever.

Lahore in Pakistan continued to be the most polluted city in the world for the past few days, recording an air quality index of above 1,000 on November 2 morning, which later hit 1,900 level. According to Swiss air quality rating agency IQAir,

WHO

Pakistan’s second largest city with beyond ‘dangerous’ air pollution shuts schools for a week - Lahore braces for worsening air quality while officials blame neighbouring India