AQI poor in Delhi, but cleanest Chhoti Diwali in 7 years

October 21, 2024
According to data from Central Pollution Control Board, the air quality index (AQI) was 259. Since 2015, the day before Diwali would often hover in the “severe” or “very poor” range, which would worsen to the “severe” category on Diwali day, except for 2019 when the AQI was 287.