New Delhi, Dec 4 (PTI) After days of sharp rises and plunges in pollution, Delhi’s air slid back into the “very poor" bracket on Thursday evening, wiping out the short-lived morning relief when the city had briefly climbed to “poor" levels.

According to the Central Pollution Control Board (CPCB), the 24-hour average AQI stood at 304, placing the city firmly in the “very poor" bracket.

In the morning hours, the city had shown marginal improvement with an AQI reading of 299, according to the CPCB data, before levels deteriorated again by late afternoon.

Data from the CPCB’s SAMEER app showed that 27 of the 40 monitoring stations in the capital recorded “very poor" air quality through the day, with Nehru Nagar logging the highest AQI at 362.

According to the CPCB, an Air Quality Index bet

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