Lahore and Karachi are among the 10 most polluted cities in the world in terms of air quality, according to air quality monitor AirVisual. According to data released by Pakistan Air Quality Initiative (PAQI), the provincial capital recorded only two days of good air quality in 2017. Air pollution causes serious health problems, including respiratory failures, lung and heart diseases. He said that crop burning, brick kilns, industries and traffic emissions were considered to be the main factors causing smog in Lahore and adjoining areas. Piracha also said brick kilns would remain closed from October 20 till the end of December to curb smog.

Source: Pakistan Today September 29, 2018 17:15 UTC