Lahore second, Karachi ranks fourth in world’s most polluted cities list

Air pollution has reached critical levels in Karachi, with the city’s air quality index (AQI) recorded at 207 on Tuesday, making it the fourth most polluted city in the world. Only New Delhi, Lahore, and Cairo reported worse air quality, according to global rankings. As of 11:00 am, Lahore was ranked as the second-most polluted […]