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.

Air pollution in India's capital Delhi has soared to extremely severe levels, choking residents and engulfing the city in thick smog. Monitors recorded pollution levels of 1,500 on the Air Quality Index (AQI) at 15:00 IST (09:30 BST),

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,

With air pollution levels escalating to alarming levels in Delhi and the National Capital Region, the sale of air purifiers and masks have surged significantly, according to traders in the city

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,

The air quality in Delhi deteriorated, prompting GRAP IV restrictions. Schools for students up to Class 11 will switch to online learning, construction work will be banned, and only specific vehicles