On Sunday, Delhi’s 24-hour average air quality index (AQI) slipped to 366, remaining in the “very poor” category, according to the Central Pollution Control Board (CPCB). On Saturday also, the AQI (303) in the city was in “very poor” category.

Air quality severely deteriorated on Sunday morning, with AQI levels near AIIMS and surrounding areas touching 421, placing it in the “severe” zone.

Several other parts of the national capital also recorded “severe” air pollution levels as calm winds and high humidity trapped pollutants close to the surface, forming a dense layer of smog that reduced visibility and worsened respiratory discomfort.

At 6:30 am, Delhi’s average AQI stood at 372, according to the CPCB data. Among the most polluted areas were Wazirpur (425), RK Puram (418), Bawana (410

See Full Page