In pictures: Smog engulfs parts of Pakistan as Punjab air quality reaches 'hazardous' levels
Source: Dawn ·
Smog engulfed Pakistani skies on Wednesday as air quality continued to hover in the “hazardous” category, according to IQAir. Of the major cities globally, IQAir ranked Lahore as the most polluted again on Wednesday, between 11am to noon, with an Air Quality Index (AQI) of 425, w
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