The government in Lahore has closed schools and public spaces and shut down factories. Environmental lawyer Ahmad Rafay Alam shares his perspective: "frustrated" but still fighting.

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.

Satellite images show that smog in Pakistan can be seen from space, as the country battles record levels of air pollution. Images from NASA Worldview show the east of the country cloaked in a toxic haze, with smog also reaching into India's northern regions and New Dehli.

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.

Thick, black and toxic smog engulfed the skies of Pakistan as unprecedented pollution levels continued to make the lives of citizens difficult. The smog is now visible from space, satellite imagery from NASA worldview showed.