With thick layers of smog hovering over Lahore for the past few days, the air quality level of the city is on a continuous downward spiral.

On early Sunday morning, the Air Quality Index (AQI) of Lahore was recorded at a 'Hazardous' level of 510, and it maintained its top position on the list of world's most polluted cities.

According to IQAir, a Swiss air quality monitor, Lahore had the highest level of pollution in its air in the world, which was categorised as ‘Hazardous’ with its air quality index measured at 510 around 3am.

Also Read: Clouds of haze blanket 'most polluted city in the world' Lahore

Moreover, within Lahore, the most polluted areas were found to be The Mall road, followed by the Polo Ground in Cantt and Lahore American school area.

The air quality of Lahore has consistently remained hazardous, not just over the past couple of months, but also in the last few years with the onset of the ‘fifth season’ of smog. The air quality levels continue to dip after September until at least February.

According to the IQAir data, the second most polluted city in the world was New Delhi, India, with an air quality index of 198 ('Unhealthy'). The third most polluted city in the world on Saturday morning was Wuhan in China with an air quality index of 192, categorized as ‘Unhealthy’.

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