(A) Lahore(Pakistan)
(B) Delhi(India)
(C) Kolkata(India)
(D) Beijing(China)
Correct Answer is: B
The first on the list is India’s Delhi while Kyrgyzstan’s Bishkek is on third, India’s Kolkata fourth and China’s Beijing is the fifth city, according to air pollution data released by the US Air Quality Index. Lahore is at second spot in the list due to poor air quality.