Introduction Every year, India lights up with the brilliance of  Diwali  — fireworks, celebration, sweets, and togetherness. Yet behind the glow, a silent threat lingers in the air. The  smog  that follows these festivities affects millions, particularly the  ears, nose, and throat  — the delicate systems that connect our senses and breathing. In metropolitan regions such as  Chennai ,  Bhubaneswar , and  Siliguri , post-festival  air and noise pollution  reach dangerous leve