Delhi-NCR’s air quality plummeted to the ‘very poor’ category after Diwali, with several areas recording ‘severe’ pollution levels. Despite restrictions, widespread fireworks worsened air quality, prompting authorities to activate Stage-II of the Graded Response Action Plan.

New Delhi: The overall Air Quality Index (AQI) in Delhi-NCR remained in the ‘very poor’ category, reaching 400 on Tuesday morning, a day after Diwali festivities, according to data from the Central Pollution Control Board (CPCB).

While the overall AQI stood at 347, several areas recorded levels in the ‘severe’ category. As per CPCB classifications, AQI between 0-50 is considered ‘good’, 51-100 ‘satisfactory’, 101-200 ‘moderate’, 201-300 ‘poor’, 301-400 ‘very poor’, and 401-500 falls under the ‘severe’ category.

Sev

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