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

During a meeting, the Delhi government instructed officials to strictly implement the Graded Response Action Plan (GRAP) Stage 4 restrictions and ensure mandatory compliance. Key decisions taken during the meeting include making masks compulsory for Class 10 and Class 12 students.

Supreme Court has ordered the continuation of GRAP-4 restrictions in Delhi-NCR due to alarming air pollution levels, emphasising the urgent need for action to combat the deteriorating air quality

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,