On December 7, The Central Pollution Control Board (CPCB) Reported That Air Quality In Many Areas Of Delhi Remained In The ‘Very Poor’ Category. Meanwhile, According To CPCB Data, The Air Quality In The National Capital Region Was Classified As ‘Poor’ On December 6. Delhi's Overall Air Quality Index (AQI), As Per The Air Quality And Weather Forecasting And Research System, Was Recorded At 276 On December 7.