世界卫生组织一组数据显示,全球近半数人处于室内空气污染中,导致22%的慢性肺病和15%的气管炎、支气管炎。全球每年有2400万人的死亡与室内PM2.5密切相关。专家指出,我国几乎所有的住宅和很多商业建筑都没有安装通风系统,导致建筑物通风差,是室内污染的重要原因。另外,不少装修材料 A World Health Organization data show that nearly half of the world’s people in indoor air pollution, resulting in 22% of chronic lung disease and 15% of bronchitis, bronchitis. Every year, 24 million deaths worldwide are closely related to indoor PM2.5. Experts point out that almost all residential buildings in our country and many commercial buildings are not equipped with ventilation systems, leading to poor ventilation building is an important cause of indoor pollution. In addition, a lot of decoration materials