While Delhi’s 24-hour average air quality index (AQI) stood at 361 on Saturday, in the ‘Very Poor’ category, several monitoring stations recorded ‘Severe’ AQI readings of above 400, Central Pollution Control Board (CPCB) data revealed.

As of 6 pm, Wazirpur recorded the highest AQI at 424, followed by Bawana (424), Vivek Vihar (415), as well as ITO and Rohini (408 each). (See box)

On Friday, Delhi had recorded an average AQI of 322. According to the Indian Institute of Tropical Meteorology (IITM) forecast, “The air quality is very likely to be in the ‘Very Poor’ category from November 9 to 11.”

IITM’s Decision Support System (DSS) forecast shows that the contribution of stubble burning to Delhi’s PM2.5 levels is expected to rise to 31.24% on Sunday, making it the most significant pollu

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