The air purifier is a small home appliance for purifying indoor air, mainly to solve indoor air pollution problems caused by decoration or other reasons. Due to the characteristics of persistence and uncertainty in the release of contaminants in indoor air, the use of air purifiers to purify indoor air is an internationally recognized method of improving indoor air quality. Foreign penetration rates have been high, in recent years in China, especially in the second half of 2012, due to the increasingness of PM2.5 in many regions, people slowly recognize indoor air quality issues, and start using air purification .
The air purifier can alleviate indoor contamination, but it cannot be excessively dependent on it, and the air purifier does not replace cleaning. Regularly clean the room, avoid the peak of the pollution to ventilation, reducing the source of pollution is the fundamental of increasing the quality of indoor air.