Tamil Nadu Air Quality Deteriorates During Deepavali For Three Consecutive Years

Tamil Nadu recorded a steady increase in air pollution and noise levels during Deepavali over the last three years, according to the Tamil Nadu Pollution Control Board. The state's average Air Quality Index rose by nearly 18 percent from 143.46 in 2024 to 168.97 in 2026.

Average Deepavali noise levels also increased to 76.73 decibels. Officials attributed the rising pollution to firecracker bursting and weather conditions, despite ongoing awareness campaigns and restrictions.