As per the latest Air Quality Index (AQI) rankings from IQAir, Pakistan's Karachi and Lahore are listed among the most polluted cities in the world, based on data from a prominent global air quality monitoring service, ANI reported.

Both the cities are battling severe air pollution, posing a significant threat to public health. Lahore, in particular, has been ranked as the most polluted city in the world, with an AQI of 354, which is considered "Hazardous" for residents.