Delhi air quality remains ‘very poor’ amid Diwali festivities

The Air Quality Index in several parts of Delhi remained in the “very poor” category on Tuesday morning, a day after Diwali festivities.

The average AQI at 7.05 am stood at 350, which is categorised as “very poor”, according to data from the Sameer application, which provides hourly updates published by the Central Pollution Control Board.

However, the AQI in several areas was in the “severe” category, including Bawana, where the index stood at 423, Jahangirpuri at 407 and Wazirpur at 408.

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The Air Quality Index (AQI) around the RK Puram was recorded at 368, in the 'Very Poor' category, in Delhi this morning as per the Central Pollution Control Board (CPCB). pic.twitter.com/SbDigf1Zfk— ANI (@ANI) October 21, 2025

An index value between 0 and 50 indicates “good” air quality, between 51 and 100 indicates “satisfactory” air quality and between 101 and 200 indicates “moderate” air quality. As the index value increases further, air quality deteriorates. A value of 201 and 300 means “poor” air quality, while between 301 and 400 indicates “very poor” air.

Between 401 and 450 indicates “severe” air pollution, while anything above the 450 threshold is termed “severe plus”.

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