AQI.in rankings published after Diwali showed 93 Indian cities among the world’s 100 most polluted locations. New Delhi, however, was not among the Top 10 cities. Ninety-nine of the top one hundred most polluted cities globally are in India post-Diwali, with Bathinda, Faridkot, and New Delhi recording hazardous AQI. Punjab’s Bathinda topped the global list at 8.30 am with an Air Quality Index (AQI) of 816, followed by Faridkot at 804.