As air pollution worsens in New Delhi, the air quality index has shifted from "Severe" to "Severe plus", prompting the implementation of GRAP IV acros the national capital region.

Delhi's Air Quality Index (AQI) stood at 484, the worst this season, at 8 am, according to the Central Pollution Control Board (CPCB).

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.

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.

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,