Karachi tops world’s most polluted cities list amid cold weather​on December 31, 2024 at 5:48 am

A view of foggy weather on during winter season in Karachi on December 5, 2024. — AFP

AQI of country’s financial hub reaches “unhealthy” 271.PM2.5 level recorded at 32.4 times higher than WHO levels.Punjab’s capital Lahore ranks as fourth most polluted city.