Is Shanghai 18 degree indoor air-conditioned?

The coldest time outside Shanghai in winter is usually around -7 degrees, and the weather is very dry. The most comfortable indoor temperature and humidity are: 18 ~ 25℃ in winter and 30% ~ 80% in humidity; In summer, the temperature is 23-28℃ and the humidity is 30-60%. More than 95% people feel comfortable in this range. In an air-conditioned room, people will feel most comfortable when the room temperature is 19 to 24℃ and the humidity is 40% to 50%. If we consider the influence of temperature and humidity on people's thinking activities, the most suitable room temperature should be high working efficiency. 18℃, humidity should be 40% to 60%, at this time, people's mental state is good and their thinking is the most agile.