Delhi recorded air pollution more than 17 times above an acceptable level as worsening smog triggered curbs on trucking and shuttered construction sites and schools.

SC seeks explanation from Delhi government on implementation of Graded Response Action Plan (GRAP) and says it is in favour of continuance of fourth stage of GRAP even in case of AQI level reduces below 400 level in Delhi Delhi Air Pollution Supreme Court Hearing Live Updates: We want to know what action government has taken, asks Justice Oka

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.

Delhi's air pollution crisis worsens with AQI surpassing 1500, prompting GRAP-4 measures and flight advisories. Check the most polluted areas in the city.

Delhi's air quality worsened to the 'severe plus' category on Monday with the city recording an AQI of 484.Tighter pollution control measures, includ

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

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,

Delhi ’s government imposed the most stringent set of restrictions on the movement of vehicles and people as the toxic smog enveloping the Indian capital worsened on Monday. The city’s average air quality index was 457 in the morning,

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,