Delhi residents experienced a frosty Tuesday morning shrouded in dense fog, significantly impacting visibility and disrupting travel across the city and neighboring (NCR) regions. Similar conditions prevailed in parts of Punjab, Uttar Pradesh, and Haryana, prompting warnings from the India Meteorological Department (IMD).IMD report on Delhi-NCR weatherVery dense fog warnings were issued for isolated pockets of Northwest Rajasthan and East Uttar Pradesh, while moderate fog shrouded sections of Punjab, Haryana, and West Uttar Pradesh. Delhi itself witnessed patches of thick fog blanketing major thoroughfares like Janpath Road, Aruna Asaf Ali Marg, and Nirankari Colony.Taking it to X, IMD said, Very dense fog in isolated pockets of northwest Rajasthan dense fog in isolated pockets of East Uttar Pradesh moderate fog in isolated pockets of Punjab, Haryana and West UP and shallow fog in isolated pockets of Delhi.Fog conditions observed (at 0530 hours IST of today): Very dense fog in isolated pockets of Punjab, Haryana, northwest Rajasthan and East Uttar Pradesh dense fog in isolated pockets of Delhi, Bihar & Odisha moderate fog in isolated pockets of West Uttar Pradesh pic.twitter.com/C5SWm79aYF— India Meteorological Department (@Indiametdept) January 30, 2024The chilly bite continued, with the minimum temperature in the national capital hovering around 8 degrees Celsius and the maximum struggling to reach 22 degrees Celsius, as per the IMD advisory.Flights, trains impacted in DelhiAir travel faced immediate repercussions, with Delhi Airport issuing a statement acknowledging potential disruptions for non-CAT III compliant flights.Kind attention to all flyers!#Fog #FogAlert #DelhiAirport pic.twitter.com/zvEW9pqTgl— Delhi Airport (@DelhiAirport) January 30, 2024Passengers were advised to stay updated with airlines regarding potential delays and cancellations.#WATCH | Thick fog at Delhi airport, flight operations affected pic.twitter.com/ek1DqTyFdu— ANI (@ANI) January 30, 2024Rail services also felt the fogs impact, with major Rajdhani Express trains like Mumbai Rajdhani, Banglore Rajdhani, and August Kranti Rajdhani Express facing delays exceeding two hours.#WATCH | Delhi: Passengers at New Delhi Railway Station face difficulties as some trains are running off-schedule due to bad weather.(Visuals shot at 6:30 am) pic.twitter.com/M5NN2FobFP— ANI (@ANI) January 30, 2024Delhi AQI in very poor categoryAdding to the woes, the citys air quality remained alarmingly high, falling under the Very Poor category with an AQI hovering around 328. This further exacerbates health concerns for residents already grappling with the fogs respiratory challenges.While the fog is expected to dissipate later in the day, its immediate impact highlights the vulnerabilities exposed by such weather conditions.#WATCH | Thick fog shrouds Delhi, reduces visibility significantlyVisuals from ITO shot at 6.50am pic.twitter.com/6HzVBWo5CO— ANI (@ANI) January 30, 2024From disrupted commutes to potential health complications, the dense fog serves as a stark reminder of the need for better infrastructure and preparedness to mitigate such disruptions in the future.