Specific areas in Delhi, including Bawana, Jahangirpuri, Dwarka, Alipur, Anand Vihar, ITO, and locations near the Delhi airport, recorded alarming AQI levels, with readings crossing the 400-mark. The CPCB reported values of 442 in Bawana, 441 in Jahangirpuri, 416 in Dwarka, 415 in Alipur, 412 in Anand Vihar, 412 in ITO, and 401 near the Delhi airport.