Diwali night saw spike in pollution, but air quality better than last year in Lucknow

Air quality assessment in Lucknow’s Vikasnagar, Aliganj, Chowk, and Aminabad revealed significant pollution on Diwali night, with PM 2.5 levels reaching 324 micrograms, five times the permissible limit. However, it showed improvement from last year. Chowk was the most polluted area, followed by Aminabad, Vikasnagar, and Aliganj.