From Rajasthan and Punjab to Haryana and Uttar Pradesh, Indian cities dominate the world's most polluted list as winter pollution grips the north. Firecrackers are continuously burst during Diwali, contributing to significant air pollution in India. This practice leads to toxic air conditions that affect public health. Faridkot in Punjab has emerged as the most polluted city in India, recording an Air Quality Index (AQI) of 1,009.