Air purifiers create a healthy living environment
Beijing Center for Disease Control has published over a seven-year indoor environmental investigation report. It was found that indoor pollution including chemical, physical, biological, radioactive substances, more than 50 kinds of four categories, in which formaldehyde, benzene and volatile organic compounds exceeded 20-30 times the maximum actually reached 40 times. Air pollution has become a common cause of human health hazards greatest health threat. According to incomplete statistics, the global acute air pollution caused by respiratory...