Delhi shivered through another chilly morning on Monday, typical for January as per the Indian Meteorological Department (IMD). They predicted less fog with a minimum temperature around 7 degrees Celsius. Daytime highs should reach 22 degrees Celsius.#WATCH | Thin layer of winter fog shrouds Delhis Akshardham area.(Visuals shot at 6:15 am) pic.twitter.com/yOFyzcXjcR— ANI (@ANI) January 29, 2024However, Sunday saw cloudy skies causing temperatures to dip to 6 degrees Celsius. The foggy conditions also led some areas to experience cold day conditions, with the daytime temperature at 18.6 degrees Celsius, three degrees below normal.Fog UpdateDense to very dense fog affected parts of Uttar Pradesh, with isolated patches in Delhi, Bihar and Madhya Pradesh. Less fog occurred in isolated pockets of Rajasthan, Odisha and Andhra Pradesh.#WATCH | Delhi: A thin layer of fog grips the national capital as the cold wave continues.(Drone Visuals from ITO, shot at 7.45 am) pic.twitter.com/j1y5WVVCWV— ANI (@ANI) January 29, 2024The IMD forecast drizzles and light showers in Delhi on 31 January and 1 February respectively. Overnight temperatures may also rise to 8-9 degrees Celsius.Air Quality Index Delhis air quality index (AQI) at Mundka measured PM10 at 290, falling in the very poor category. The System of Air Quality and Weather Forecasting And Research (SAFAR-India) rates AQI for PM10 between 0-50 as good, 50-100 as satisfactory, 100-200 as moderate, 200-300 as poor, 300-400 as very poor and 400-500 as severe.