Lahore: Despite improvement in smog situation in Punjab, Lahore is among the most polluted cities in the country.
Number of air particulate meters recorded in Lahore was 366, after that Lahore remains the most polluted city.
More on Faisalabad is on second number AQI 285 recorded, Rojhan ranked third among the most polluted cities with AQI 264.
On the other hand, among the most polluted cities in the world, Indian capital New Delhi ranks first, where the air index is 415, while Karachi ranks third in the world with 221 air particulate meters.
Further more, the quality of air in Quetta valley considered to be the best nowadays.