Noida is 4th most polluted city of India, know top 3 cities on this list https://ift.tt/eA8V8J

The average air quality in Noida and Greater Noida in Uttar Pradesh deteriorated to 'severe' once again with the Air Quality Index reading 405 and 418 respectively in these two cities. 

from Zee News :India National https://ift.tt/3aK0q9F