This pre-emptive ban was imposed in view of the city’s deteriorating air quality over the past three years, said chief minister Arvind Kejriwal in a series of tweets
“In view of the dangerous condition of Delhi's pollution during Diwali for the past 3 years, like last year, a complete ban is being imposed on the storage, sale and use of all types of firecrackers. So that people's lives can be saved,” Kejriwal tweeted.