Delhi-NCR AQI: Dense smog grips national capital, air quality at 'severe+' levels; Delhi airport, IndiGo, Air India issue travel advisory

According to the Central Pollution Control Board, the Air Quality Index (AQI) in Delhi is 381, with several other areas hitting severe levels, including Anand Vihar (410), Ashok Vihar (413), Bawana (401), and ITO(401).