Lahore remains world’s most polluted major city as AQI crosses 600
Source: Dawn ·
LAHORE: Lahore was ranked the world’s most polluted major city on Monday as its Air Quality Index (AQI) reached 590, according to IQAir. A separate historical reading on the platform, however, showed an hourly index of 647, placing the city in the hazardous category. The IQAir li
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