Pakistan, Nov. 6 -- Lahore has been on the top of the list of the world's polluted cities on Thursday as Punjab's central and southern parts have been engulfed by the air pollution on the onset of the winter.

According to the air quality index, the AQI recorded 536 at Raiwind, while the particulate matter's level reached to 460 in Lahore's Kahna area.

Air pollution level recorded 418 in Sargodha, 380 in Bahawalpur, 374 in Multan 371 in Faisalabad and 367 in Gujranwala.

Air pollution and smog haunted Punjab with the onset of winter as authorities striving hard to contain smog in Punjab cities. The province grappling with severe air pollution, which used to soar to alarming levels in winter, causing serious public health issues.

Lahore ...