---Excerpt from "Chongqing Business Daily")
According to Sohu News Network August 22, 2004, public places such as shopping malls, supermarkets, restaurants, etc. have become "good places" for citizens to enjoy the cool. . But yesterday, experts from the Municipal Environmental Monitoring Center said that due to poor ventilation, the air quality in these places is worrying and it is easy to make people sick.

According to expert analysis, the above public places are relatively closed after air conditioning, and the indoor temperature and humidity are suitable for the growth of pathogenic microorganisms, especially fungi. Reproduction. If the air conditioner is cleaned from time to time, bacteria, viruses, etc. in the air duct of the ventilation system may cause allergic skin diseases, allergic rhinitis or alveolitis and other diseases, posing a great threat to the health of the human body. Especially the central air conditioners that are difficult to clean are more serious. It is understood that the central air conditioner is generally closed at night, the humid air ducts breed a large number of bacteria, and in the morning, the bacteria are discharged through the exhaust duct, and the air is breathed. Very harmful to the human body. At the same time, after the air conditioner was turned on in summer, the flow of people increased, which also made the air pollution in these places more serious.

Environmental monitoring experts remind the public to be cautious in the morning to open the central air-conditioning public places, usually buy things to stay in these places as little as possible, Don't think of it as a "good place" for a cool break. At the same time, it is also necessary to pay attention to the cleaning of the air conditioner of your home, and properly ventilate when the air conditioner is turned on. In addition, air purifiers and air fresheners can be used to keep the room clean and dry, so that the bacteria do not have a breeding ground. At the same time, it is recommended that the air conditioner should be cleaned regularly for the health of the citizens and their employees, and the central air-conditioning should be cleaned regularly.