Delhi-NCR’s air quality remains ‘very poor’, AQI recorded at 428 in Anand Vihar

Ankita Jain,

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Delhi-NCR’s air quality remained in the “very poor” category as the overall air quality index stood at 362. The Commission for Air Quality Management (CAQM) last week implemented Phase II of the Graded Response Action Plan (GRAP) in Delhi-NCR.

According to the Central Pollution Control Board (CPCB), the air quality index (AQI) around Anand Vihar area was recorded at 428, which is in the ‘severe’ category.

Forecasts from the Centre’s Air Quality Early Warning System (EWS) indicate that Delhi’s AQI will remain in the ‘very poor’ category till October 25, after which it may fluctuate between ‘poor’ and ‘very poor’ for the next six days.

An analysis by the Center for Research on Energy and Clean Air (CREA) identified October 20 and 21 as the city’s worst PM2.5 pollution days in 2025 after January.

GRAP classifies air quality into four stages:

  • Stage I (poor) with AQI between 201 and 300

  • Stage II (very bad) between 301 and 400

  • Stage III (severe) between 401 and 450

  • Stage IV (Severe Plus) for AQI above 450.

first published: October 23, 2025 at 9:07 am Is

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