Pakistan's eastern Punjab province has been struggling to combat an ongoing smog crisis, which is blamed for sickening 1.8 million people in the last month.

The U.N. children’s agency is warning that the health of 11 million children in Pakistan’s eastern Punjab province is in danger because of air pollution that experts say has become a fifth season in recent years.

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

Punjab authorities have banned most outdoor activities and told some shops to shut early as smog-induced illnesses soar. Schools have also been closed to protect children, who are at high risk from the pollution.

Pakistan's province of Punjab set up a "smog war room" to tackle severe pollution, officials said, as poor air quality turned its capital of Lahore into the world's most polluted city and forced the closure of some educational institutions.

A thick blanket of smog continued to suffocate several cities in Pakistan’s Punjab province, spreading its toxic reach and severely disrupting transportation. As Lahore remained the world’s most polluted city,