<p>New Delhi: The minimum temperature in <a href="https://www.deccanherald.com/india/delhi">Delhi</a> settled three notches below the season's average at 4.9 degrees Celsius on Sunday, the Met office said.</p>.<p>The city on Thursday recorded the lowest temperature of this winter season so far with the minimum temperature dipping to 4.5 degrees Celsius.</p>.Six Delhi schools get bomb threat, third incident this week.<p>According to the India Meteorological Department, the maximum temperature is expected to settle around 23 degrees Celsius.</p>.<p>Meanwhile, the national capital's Air Quality Index (AQI) remained in the 'poor' category with a reading of 257 at 9 am.</p>.<p>An AQI between zero and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 500 'severe'.</p>
<p>New Delhi: The minimum temperature in <a href="https://www.deccanherald.com/india/delhi">Delhi</a> settled three notches below the season's average at 4.9 degrees Celsius on Sunday, the Met office said.</p>.<p>The city on Thursday recorded the lowest temperature of this winter season so far with the minimum temperature dipping to 4.5 degrees Celsius.</p>.Six Delhi schools get bomb threat, third incident this week.<p>According to the India Meteorological Department, the maximum temperature is expected to settle around 23 degrees Celsius.</p>.<p>Meanwhile, the national capital's Air Quality Index (AQI) remained in the 'poor' category with a reading of 257 at 9 am.</p>.<p>An AQI between zero and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 500 'severe'.</p>