Pollution crisis: GRAP-IV reimposed in Delhi-NCR; air quality slips to ‘severe’ category

NEW DELHI: The Commission for Air Quality Management (CAQM) connected Saturday reimposed GRAP-IV successful Delhi-NCR aft the region’s aerial prime slipped into the ‘severe’ category. This comes a time aft GRAP-III was enforced arsenic a precautionary measure.

The portion has been grappling with precocious contamination levels for respective months. GRAP-IV had earlier been lifted successful precocious December.GRAP Stage IV is triggered erstwhile the Air Quality Index (AQI) exceeds 450, reaching the ‘severe+’ category. The committee clarified that measures nether Stage I, Stage II, and Stage III of the existing GRAP volition proceed arsenic per the modified GRAP issued connected November 21, 2025.Under Stage IV, backstage conveyance question is not wholly banned. Restrictions are mostly based connected emanation norms and substance type. Vehicles gathering the prescribed standards are allowed to operate, portion older vehicles look stricter curbs. BS-III petrol and BS-IV diesel vehicles are prohibited from plying successful Delhi-NCR during this phase, but those providing indispensable services.