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天气渐渐寒冷,北方很多家庭为了保暖,都门窗紧闭,却不知这对健康非常不利。有调查发现,影响室内空气质量的因素很多,通风不良占48%,家庭装修占18%,建筑物构件占3.5%。一个人在正常情况下每小时要呼出22升二氧化碳。如果室内通风不良,人体呼出的这些二氧化碳就会聚集在室内,从而影响人体健康。而打开窗户,让室外的新鲜空气进入室内,则可以将室内的污染物稀释掉,所以应经常打开
The weather is getting cold, many northern families in order to keep warm, all doors and windows closed, but I do not know this is very detrimental to health. A survey found that many factors affect the indoor air quality, poor ventilation accounted for 48%, home decoration accounted for 18%, building components accounted for 3.5%. Under normal circumstances, one person should exhale 22 liters of carbon dioxide per hour. If indoor ventilation is poor, the carbon dioxide exhaled by the body will accumulate indoors, thus affecting human health. And open the window, so that outdoor fresh air into the room, you can dilute the indoor pollutants, it should always open