Lahore's air quality index surges past 1,000-mark once again on Wednesday with the city topping the global charts for highest air pollution levels once again.The city's AQI, as per Swiss

The smog crisis in Lahore, similar to the situation in India's capital Delhi, tends to worsen during cooler months due to temperature inversion trapping pollution closer to the ground. Make sense of the latest ESG trends affecting companies and governments with the Reuters Sustainable Switch newsletter. Sign up here.

Lahore's pollution index may be 600 to 700 on November 6, 7 and 8. According to the forecast, smog-laden winds coming from India from east to west at a speed of 4 km per hour are affecting Lahore and adjacent Pakistani areas. In air pollution index, New Delhi is second with 408 score, Baghdad is third and Kolkata is fourth with 160 score.

WHO

Toxic smog has shrouded Pakistan's eastern city of Lahore for days as surging pollution spurs authorities to curb activities and set up a panel to oversee preventive efforts.

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,

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.