(A) Karachi
(B) Lahore
(C) Faisalabad
(D) Rawalpindi
Correct Option is: B
Lahore was already shrouded in pollution before the cold weather arrived; on October 29, 2023, it was ranked as the world’s most polluted city with the worst air quality. Once referred to as “the city of gardens,” Lahore’s air quality is steadily declining to dangerous levels. Theiqair reports that on 29th October 2023, the AQI US was 510 in the early hours, marking the poorest possible air quality.