Delhi experienced its coldest night in two years as temperatures dropped to 4.2°C, with homeless individuals and patient attendants struggling to find adequate shelter. Many were turned away from overcrowded Delhi Urban Shelter Improvement Board (DUSIB) facilities. The city also faced moderate to dense fog, causing over 550 flight delays, and its air quality remained in the 'very poor' category, exacerbating the cold conditions. A yellow alert for cold wave conditions and fog has been issued.