: Delhi’s air quality once against slipped back to ‘very poor’ category due to reduced wind speed as authorities warned of further deterioration in the next two days, officials said. The overall air quality index (AQI) was on Monday, recorded at 343 — in the ‘very poor’ category, according to data from the Central Pollution Control Board (CPCB).
Anand Vihar and Mundaka recorded ‘severe’ air quality. The AQI in 31 areas was registered in the ‘very poor’ category, the data said.