Delhi’s air quality is in moderate category on Tuesday morning and the minimum and maximum temperature of the national capital is expected to be 23 degree Celsius and 33 degree Celsius, respectively.According to the Central Pollution Control Board, the hourly air quality index (AQI) was 106 at 7am on Tuesday. The average 24-hour AQI was 100 in the satisfactory category on Monday.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’.The Indian Meteorological Department said that on Monday, the minimum temperature was 22.7 degree Celsius, which is one degree below normal and maximum temperature was 33.4 degree Celsius, which is one degree below normal.