Lahore came first in the list of the most polluted cities in the world. According to the AQI, Karachi ranks 27th in the list of polluted cities.
According to the Air Quality Index (AQI), the air quality of Lahore today is extremely hazardous to health and the AQI of the city was recorded at 297.
On the other hand, the air quality of Karachi is moderate where the air quality index has been recorded as 86.