Laser light shows are hosted by the authorities in Delhi, India to celebrate the traditional festival of Diwali from October 26 to 29, 2019, without any pollution. /VCG Photo

According to Reuters, the capital city's already low air quality has worsened due to "crop stubble fires". /VCG Photo

Delhi Chief Minister Arvind Kejriwal has urged local residents to embrace a smoke-free Diwali by watching laser shows in the shopping area of Connaught Place throughout the four-day event. It is known that New Delhi makes up for nearly half of the country's cracker usage. /VCG Photo

Indian authorities have initiated the use of green firecrackers but failed to inform residents so they still burn crackers during the last year. /VCG Photo