Amid rising levels of air pollution in Delhi and its adjoining areas, the AQI figures on Monday morning touched a record high at 484 despite control measures, including a ban on truck entry and suspension of construction at public projects.

New Delhi has become the most polluted city in the world after its air quality turns ‘hazardous’ at 1,081 and the concentration of PM2.5 - particulate matter measuring 2.5 microns or less in diameter that can be carried into lungs,

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

First introduced in 2017, the Graded Response Action Plan (GRAP) outlines pollution control measures based on air quality severity: On Sunday, Delhi’s AQI hit a staggering 441 at 4 pm and worsened to 457 by 7 pm due to unfavourable weather conditions. Responding to this, the CAQM announced stricter measures, effective from Monday morning.

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.

The CPCB advised people to minimise travelling during the hours when AQI is in the ‘severe’ or ‘poor’ category.

Delhi's Air Quality Index (AQI), as per ANI, spiked to 428 at 8 am, firmly placing it in the "severe" category, according to the Central Pollution Control Board (CPCB)

The National capital continues to grapple with smog as the Air Quality Index remains in 'Severe' category on Sunday. The India Meteorological Department (IMD) has issued a yellow alert on Sunday for the National Capital due to the deteriorating air quality.