Commission for Air Quality Management (CAQM) on Friday declared stage-III of the Graded Response Action Plan (GRAP) across the entire National Capital Region as a preventive measure to avoid further deterioration. The restrictions, which include bans on the plying of BS-IV diesel and BS-III petrol vehicles, aim to curb rising pollution levels caused by calm winds and accumulation of pollutants.
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Delhi air pollution: Thick smog engulfs city; Stage-III GRAP restrictions return
January 17, 2026Commission for Air Quality Management (CAQM) on Friday declared stage-III of the Graded Response Action Plan (GRAP) across the entire National Capital Region as a preventive measure to avoid further deterioration. The restrictions, which include bans on the plying of BS-IV diesel and BS-III petrol vehicles, aim to curb rising pollution levels caused by calm winds and accumulation of pollutants.