India's Kolkata and Vietnam's Hanoi occupied the second and third spots on the list, with an AQI score of 201 and 192,...
According to the data, Delhi's AQI was 354, Noida's was 328, and Ghaziabad's was 304.
In 2021, Hyderabad had most bad air days in South India
36 monitoring stations reported the Air quality of the capital city in 'severe' category
The Delhi government has kick-started its 'Red Light On, Gaadi Off' anti-pollution campaign