Post-Diwali, Chennai’s air pollution drops to hazardous levels – Times of India

Chennai News

CHENNAI: Despite promotion of green crackers and time restrictions, Chennai city’s air pollution levels dropped to hazardous levels during Diwali.
The average value of the Air Quality Index (AQI) here ranged between 342 and 385, according to Tamil Nadu Pollution Control Board (TNPCB) data.
An AQI of above 100 can cause breathing discomfort to people, according to government standards.
TNPCB’s report of the Ambient Air Quality Survey (AAQ) has revealed that there is a substantial increase in values of Particulate Matter (PM 10 and PM 2.5) in the five monitoring stations in Chennai — Besant Nagar, T Nagar, Nungambakkam, Triplicane and Sowcarpet — compared to the year 2020.