Karachi, Pakistan’s bustling metropolitan hub, has achieved an unenviable milestone: it has topped the list of the world’s most polluted cities. With an Air Quality Index (AQI) of 262, Karachi
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Karachi, Pakistan’s bustling metropolitan hub, has achieved an unenviable milestone: it has topped the list of the world’s most polluted cities. With an Air Quality Index (AQI) of 262, Karachi
