Amid alarming pollution levels blanketing Delhi, Chief Minister Rekha Gupta was greeted with chants of 'AQI', 'AQI' from a section of the crowd when she took the stage to welcome football icon Lionel Messi at the Arun Jaitley Stadium on Monday. A sharp drop in visibility and haze-obscured skyline marked another low for Delhi on Monday as the Air Quality Index (AQI) touched 498 in the morning and settled at 427 by the evening, pushing the capital into severe' zone for the third day running. A video showing a section of the crowd chanting 'AQI', 'AQI' has gone viral on social media, prompting the Aam Aadmi Party (AAP) to attack Gupta over the severe' pollution levels gripping the capital. International Shame, Crowd for Messi shouts AQI, AQI' as soon as Delhi CM Rekha Gupta arrives, AAP's Delhi unit chief Saurabh Bharadwaj said in a post on X, sharing the clip. The AAP accused the BJP governments at the Centre and in Delhi of being indifferent as toxic air choked Delhi-NCR and parts o