A bench of Justices Abhay S Oka and Augustine George Masih pointed out that there was a delay in implementation of preventive measures under stage 4 of the Graded Response Action Plan (GRAP) even after the Air Quality Index (AQI) touched alarming levels in the national capital.

NCR, the air quality deteriorated further on Monday morning with the AQI rising to ‘severe’ and ‘severe plus’ levels.

Air quality is likely to remain in the 'severe' or 'severe-plus' category during the week due to heavy fog and unfavourable weather conditions

Beyond vehicular restrictions, GRAP Stage 4 includes comprehensive steps to curb pollution from other sources. Construction and demolition activities generate large amounts of dust and are completely banned except for essential projects such as healthcare facilities,

Air quality in northern India has worsened over the past week, with New Delhi's AQI recording a reading of 465, classified as "severe plus category", on Sunday evening due to unfavourable meteorological conditions,

In Delhi NCR, GRAP Stage 4 was implemented by the Commission for Air Quality Management (CAQM) at 8 a.m. today after the Air Quality Index (AQI) fell into the "severe plus" category. This decision was reached following an urgent meeting of the GRAP subcommittee on November 17,