According to the World Health Organizations report released which of the following has been announced as the worst polluted city in the world in terms of air quality?
Zabol
New Delhi is no longer the worst polluted city in the world in terms of air quality. The top spot is taken by the Iranian city of Zabol that falls in the middle of a dust bowl. so dirtiest air was recorded at Zabol in Iran, which suffers from months of dust storms in the summer. Zabol clocked PM2.5 measure of 217.
The next four cities in the list were Gwalior, Allahabad, Patna and Raipur.