Is an air purifier really useful?

Lead: The air purifier, although it was raised in the market for a short period of time, quickly became more familiar because of the conformity and the human needs for environmental cleanliness. However, the controversy over the air purifier has also cropped up and become a lot of ordinary consumers. The doubt is "Are the air purifier useful?" The answer is "useful." Xiao Bian will lead you to understand the working principle of the air purifier, and finally help you understand that the air purifier has no use and leads you to understand At present, several mainstream air purifiers work in the market.

First of all, what is the air purifier? Air pollutants, this is no doubt. What is the air pollutant and why should it be purified? Relevant studies have shown that air pollutants generally include PM2.5, dust, pollen, odor, decoration pollution such as formaldehyde, bacteria, allergens, etc., and the most important thing for air purifiers is to purify PM2.5 particles in the air. This kind of thing can inhale the lungs, and its diameter is smaller than the hair. Long-term breathing will cause great harm to people's body.

In addition, PM2.5 in smog still hurts the lungs. The respiratory system has the most frequent contact with the external environment and the contact area is large. When the smog weather weakens, the ultraviolet radiation in the near-ground layer weakens and it is easy to increase the activity of bacteria in the air. The fine particles can “bring” bacteria and viruses to the depths of the respiratory system. , causing infection; while smog still hurts the skin, although some smog particles will not enter the skin to block the pores deep, but it is easy to generate keratin, and some water soluble dirt will stay in the skin pores, plug the pores of the channel , Cause skin water and oil imbalance and take acne. Professional air purifiers are generally developed and manufactured for PM2.5, and the ultimate effect is to purify PM2.5 particles in the air.