Delhi’s air quality plummets on Deepavali
Delhi’s air quality nosedived on Monday (October 20, 2025), the Deepavali afternoon, as pollution levels at 31 out of 38 monitoring stations redlined at ‘very poor’, and ‘severe’ at three stations. According to the SAMEER app by the Central Pollution Control Board (CPCB), Delhi recorded an overall AQI of 334 at noon, compared to 339 at 9 a.m. Thirty-one monitoring stations reported air quality in the ‘very poor’ category with AQI levels above 300, while three stations – Anand Vihar (402), Wazirpur (423), and Ashok Vihar (414) – logged pollution to be in the ‘severe’ category. The air quality is expected to deteriorate further into the ‘severe’ category more widely on Tuesday (
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