The Commission for Air Quality Management (CAQM) has invoked Stage II of the Graded Response Action Plan (GRAP) across Delhi-NCR as the city's air quality slipped into the "very poor" category, with the AQI crossing 300 mark.

The move came after the Sub-Committee on GRAP on Saturday reviewed the worsening pollution levels and forecasts by the India Meteorological Department (IMD) and the Indian Institute of Tropical Meteorology (IITM), which warned of further deterioration in the coming days.

"The AQI of Delhi has shown an increasing trend since morning and has been recorded as 296 at 4 pm and 302 at 7 pm," the CAQM said, directing authorities to implement all Stage II measures with immediate effect, in addition to Stage I actions already in force since October 14.

The Centre's air qual

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