Mumbai woke up to the coldest December morning in six years.Several areas in Mumbai recorded the season's lowest temperature on Monday. The minimum temperature in Santacruz was recorded at 13.7 degrees Celsius.It was the coldest morning of the season, breaking the recent record of 16.5°C recorded a few days ago.The maximum temperature is expected to hover around 32 degrees Celsius.The air quality in Mumbai was recorded as 'moderate' on Monday.According to the Central Pollution Control Board, the city recorded an AQI of 112 till 9 am on Monday.An AQI under the "moderate" category generally means that the air quality is acceptable.But there may be little health concern for a small number of sensitive individuals