Lahore retains the title of most polluted city of the world in terms of air quality index followed by Indian capital New Delhi, reported 24NewsHD TV channel on Sunday.

According to the air quality stats, Lahore AQI level is 351 and Raiwind is worst-hit area in Lahore to be hit by smog. 

While other cities in Punjab including Bahawalpur, Faisalabad and Rawalpindi and Mirpur Khas in Sindh are also facing same problem of air pollution.

Persistent condition of smog is spreading different kinds of diseases of throat, breathing, skin and eye among the citizens.