Tag - air purifier 2022

Five misunderstandings about air purifiers

The U.S. Department of Environmental Protection conducted a survey on human activity patterns. People spend 87% of their time indoors and 7% of their time outdoors. Is our air really healthy if we stay indoors for a long time? The answer is of course no, you think, as large as harmful pollutants, inhalable particulate matter, as small as PM2.5, dust particles, cigarette smoke, flower fragrance, pet hair, dander, and even new coronavirus, bacteria, formaldehyde, benzene, Sulfur dioxide and so on. These [...]