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 levels. A day after Diwali, 99 out of the 100 most polluted cities in the world are in India. Topping the list are two cities from Punjab — Bathinda and Faridkot — with Air Quality Index of 902 and 892, respectively.