Delhi chokes as air quality turns ‘severe’, AQI crosses 400+ mark

Delhi's air quality deteriorated sharply with AQI levels above 400 in several parts, classified as "severe." The 24-hour average AQI rose from 322 to 372, with 15 monitoring stations reporting levels at or above 400. Satellite data showed stubble burning incidents in Punjab, Haryana, and Uttar Pradesh contributing to the smog.