Overview
- Visibility plunged to about 50 metres at IGI and Safdarjung in the morning before a slight improvement, according to IMD data.
- At Delhi airport, at least 128 flights were cancelled, eight diverted and nearly 200 delayed, with CAT III low-visibility operations in place.
- IndiGo reported 118 cancellations across its network, while airlines and the aviation ministry issued advisories urging passengers to check schedules.
- Delhi’s 24-hour AQI reached 401 in the ‘severe’ category, CPCB data showed, with several monitoring stations recording very high pollution levels.
- IMD kept a red alert for Delhi through Tuesday afternoon and warned of dense fog over Haryana, Punjab, Uttar Pradesh and parts of the Northeast as rail and road travel faced disruptions.