According to a Central Pollution Control Board (CPCB) bulletin, Delhi's Air Quality Index (AQI) stood at 359, in the 'very poor' category, at 11 am. It was 352 at 8 am, 346 at 5 am, 347 at 6 am and 351 at 7 am
An AQI between 0 and 50 is 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 500 'severe'
Of the total 38 monitoring stations, 35 were in the 'red zone', indicating 'very poor' to 'severe' air quality
While 31 were in the 'very poor' category, four were in the 'severe' category, according to the CPCB's SAMEER app, which provides real-time AQI data from monitoring stations
Jahangirpuri recorded an AQI of 409, Wazirpur 408, Bawana 432 and Burari 405 -- all in the 'severe' category
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