Lahore and its 13 million residents have now been choking for a week; the air quality index has passed the 1,000 mark repeatedly this month - anything above 300 is considered hazardous. Pakistani officials have scrambled to respond to the crisis - its scale unprecedented even in a city which deals with smog at this time each year.

Nasa’s satellite imagery has captured a dense layer of smog engulfing eastern Pakistan and northern India, covering major cities like Lahore and New Delhi. This toxic blanket of grey haze is visible from space and has prompted immediate health concerns,

NASA's satellite images reveal toxic black smog engulfing Pakistan, with Lahore and Multan's AQI reaching hazardous levels, prompting government action and widespread health concerns.

Lahore: Thick, toxic smog clouds enveloping the Pakistani city of Lahore, which has been reeling under severe pollution can be now visible from space as per satellite imagery taken by US space agency NASA, Geo News reported. Various cities in Pakistan, including major ones like Multan and Islamabad are battling the smog crisis.

Toxic smog in India and Pakistan has caused air quality in the major metropolitans of Lahore, Multan, Delhi and Chandigarh to deteriorate to toxic levels.

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

Dense smog hovering over Pakistan's Punjab province and much of India is visible from space, as seen in NASA's satellite images. Asia is grappling with intense air pollution. Both Pakistan and India are experiencing exceptionally dense smog.