New Delhi: The people of Delhi shivered with cold on Monday due to a sharp drop in temperature. The minimum temperature was recorded at 8 degree Celsius. According to the India Meteorological Department (IMD), the maximum temperature in Safdarjung was recorded at 14.8 degrees Celsius, 7 notches below normal. The IMD says that the day is cold when the minimum temperature of an area is less than 10 °C for plains and equal to or less than 0 °C for hilly areas. A cold day is considered when the maximum temperature is 4.5 to 6.4 degrees Celsius below normal. The day began with a thick blanket of fog engulfing the city in the early hours of Monday, while the freezing cold continued. Vehicles were forced to slow down at many places due to dense fog, partially disrupting traffic. In the last 24 hours, the maximum temperature was recorded 6 notches below normal, i.e. 14.9 degrees Celsius. Meanwhile, the air quality in the national capital remained poor as before. The Air Quality Index (AQI) in Delhi was 156 for PM10 and 95 for PM2.5. Since the PM10 level was high, the System of Air Quality and Weather Forecasting and Research (SAFAR) has issued a moderate health advisory, stating that vulnerable people should not stay outside for long periods or avoid heavy exertion. needed. Typically, when the AQI is between 0 and 50, the air quality is classified as good, 51-100 satisfactory, 101-200 moderate, 201-300 poor, 301-400 Between 40 and 500 is considered very bad, between 401-500 is considered serious and over 500 is considered dangerous.