epa12511705 Vehicles drive on a highway amid heavy smog in Karachi, the provincial capital of Sindh province, Pakistan, 08 November 2025. Karachi in Sindh Province and Lahore in Punjab Province once again topped the list of the world's most polluted cities, as thick smog engulfed the city with the Air Quality Index (AQI) peaking at a hazardous 308,...

epa12511704 Birds sit on a light pole as vehicles drive on a highway amid heavy smog in Karachi, the provincial capital of Sindh province, Pakistan, 08 November 2025. Karachi in Sindh Province and Lahore in Punjab Province once again topped the list of the world's most polluted cities, as thick smog engulfed the city with the Air Quality Index (AQI) peaking...

epa12511703 Vehicles drive on a highway amid heavy smog in Karachi, the provincial capital of Sindh province, Pakistan, 08 November 2025. Karachi in Sindh Province and Lahore in Punjab Province once again topped the list of the world's most polluted cities, as thick smog engulfed the city with the Air Quality Index (AQI) peaking at a hazardous 308,...