Air quality across the National Capital Region (NCR) deteriorated sharply through Thursday night into Friday morning, November 6, 2026. Data from the Central Pollution Control Board (CPCB) showed Delhi’s hourly Air Quality Index (AQI) surging to 389 (“Very Poor” bordering “Severe”) by 7:00 AM IST—a 20-point increase from Thursday afternoon’s 4:00 PM bulletin reading of.