Which is the world’s most polluted city, as per the US Air Quality Index?

Which is the world's most polluted city, as per the US Air Quality Index?
Answer: Lahore

Lahore has frequently ranked as the world’s most polluted city on the US Air Quality Index due to smog, industrial emissions, and vehicular pollution. Studying this highlights its role in environmental challenges, the difficulties of urban air quality management, and its impact on public health. It also offers insights into how pollution affects urban centers, providing lessons on implementing sustainable policies to combat environmental degradation in Pakistan.