Air pollution in Lahore, Pakistan’s second biggest city, is around 40 times higher than the level seen as acceptable by the World Health Organization (WHO). The level of fine particulate matter in the air, which causes the most damage to health, peaked at 610. The WHO considers a reading above 15 in a 24-hour period unhealthy.

The authorities have also imposed a "health emergency" in Lahore and Multan districts to combat dense smog blanketing the province of about 130 million population for the last few weeks

LAHORE, Pakistan A Pakistani province declared a health emergency Friday due to smog and imposed a shutdown in two major cities.Smog has choked Punja..

A Pakistani province declared a health emergency Friday due to smog and imposed a shutdown in two major cities. Smog has choked Punjab for weeks, sickening nearly 2 million people and shrouding vast swathes of the province in a toxic haze.

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,

Punjab province in Pakistan has declared a health emergency and closed two cities due to severe smog affecting nearly 2 million people.

A Pakistani province has declared a health emergency due to smog and imposed a shutdown in two major cities. Smog has choked Punjab for weeks, sickening nearly two million people and shrouding vast swathes of the province in a toxic haze.