This marks a significant improvement compared to previous Diwali days in Delhi, with an AQI of 312 last year, 382 in 2021, and 414 in 2020. People in large numbers flocked to the markets of Delhi on the festival day, with markets in Lajpat Nagar, and Janpath witnessing heavy crowds from various parts of the city. Diwali 2023: People Across Country Celebrate Deepavali Festival, Transcending Religious and Cultural Barriers by Decorating Houses With ‘Diyas’, Rangolis and Flowers (Watch Videos).