“The idea is that all cities that lie within an airshed need to coordinate with each other for an effective solution,” Dey adds. “For example, 80 per cent of the airsheds of Lucknow and Kanpur [in ...

Delhi is at the centre of the Trans-Gangetic Plain airshed, which includes Punjab, Haryana, and the National Capital Region. Kanpur is at the centre of the Upper Gangetic Plain airshed ...