Delhi's air pollution is driven by vehicular emissions, stubble burning, industrial activities, and construction dust, leading to serious air quality issues.

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

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,

The Indian capital closed all schools, banned lorries and halted construction work on Monday as air quality in New Delhi plummeted to its worst level this year, with a thick layer of yellowish haze engulfing the city of 22 million.