The average air quality index (AQI) in Delhi early Tuesday was recorded to be 492 (as of 7 am). The AQI in Alipur, Anand Vihar, Bawana, Narela, Pusa and Sonia Vihar, meanwhile, touched 500, which is the maximum index (as per the Central Pollution Control Board).

The residents of Delhi-NCR woke up to severe cold, haze, and 'hazardous' air quality on Tuesday, with most AQI stations touching 500-mark (severe plus). According to the Central Pollution Control Board (CPCB),

According to the Central Pollution Control Board (CPCB), AQI levels in several locations, including Anand Vihar, Jahangirpuri, and Bawana, reached the 500-mark early Tuesday morning

India's capital city of Delhi has virtually shut down as air pollution hit "severe plus" levels, according to Indian government officials in its pollution control authority.

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.

Till Saturday, a majority of Delhi’s pollution load was from stubble fires (25.10%), followed by vehicular emission (12.58%), & contamination from neighbouring states.

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

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