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 infections each year claimed the lives of about 4 million children. US Environmental Protection Agency (EPA) studies have shown that indoor air than outdoor air pollution levels 2-5 times serious, in special cases up to 100 times. US direct economic losses caused by poor air quality up to $ 40 billion per year, the number of worldwide deaths from air pollution annua...