Delhi’s average Air Quality Index (AQI) stood at 372 at 6:30 a.m., firmly placing it in the ‘very poor’ category. Delhi pollution- File image

New Delhi: The national capital witnessed a sharp deterioration in air quality on Sunday morning, with pollution levels slipping deep into the ‘very poor’ category and touching ‘severe’ levels in several parts of Delhi-NCR.

A blanket of dense smog and calm morning winds trapped pollutants close to the surface, significantly reducing visibility and worsening breathing conditions across the region. According to data from the Central Pollution Control Board (CPCB), Delhi’s average Air Quality Index (AQI) stood at 372 at 6:30 a.m., firmly placing it in the ‘very poor’ category.

Pollution levels worsened further in several parts of the city, where AQ

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