IndiaPosted at: Dec 13 2025 8:23PM


Pollution spikes within hours, Delhi moves to GRAP-IV stage

New Delhi, Dec 13 (UNI) As air quality in the national capital deteriorated further, slipping into the ‘severe-plus’ category, the Commission for Air Quality Management (CAQM) on Saturday invoked Stage 4 of the Graded Response Action Plan (GRAP), triggering the most stringent emergency measures to curb worsening pollution levels in Delhi and the NCR.
In a statement issued on Saturday evening, the pollution watchdog said air quality trends in the city were continuously worsening. Delhi recorded an Air Quality Index (AQI) of 431 at 4 pm, which further rose to 441 by 6 pm, driven by slow wind speeds, a stable atmosphere, unfavourable meteorological conditions, and poor dispersion of pollutants.
“With the AQI nearing the ‘severe-plus’ range and no immediate improvement in meteorological conditions, the Sub-Committee has decided to implement all actions under GRAP Stage IV with immediate effect,” the CAQM said.
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Tags: #Pollution spikes within hours# Delhi moves to GRAP-IV stage
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