One doctor compared breathing in Pakistan's toxic air to smoking "dozens of cigarettes a day" as Lahore is the world's most polluted city this week.

Authorities in Pakistan’s Punjab have declared a health emergency in the country's east due to increasing smog as more than 2 million people complained of respiratory illnesses. All educational institutions have been shut,

With nearly two million made ill in Punjab, authorities are announcing emergency measures including lockdowns in Lahore and Multan.