I. Impact of air pollution on human health
Air pollution refers to harmful substances in the atmosphere, such as fine particles, sulfur dioxide and nitrogen oxides, which will do great harm to human health. Long-term exposure to polluted environment will lead to respiratory diseases, cardiovascular diseases, cancer and other diseases.
Second, the role of air purifier
Air purifier is a household appliance that can filter pollutants in indoor air, purify air and improve indoor air quality. It can effectively remove fine particles, formaldehyde, benzene and other harmful substances, and keep the indoor air fresh.
Third, how to choose an air purifier
1. CADR value of air purifier
CADR value is the purification ability index of air purifier, indicating the amount of air that air purifier can purify in a certain period of time. Generally speaking, the higher the CADR value, the stronger the purification ability of the air purifier.
2. Type of air purifier filter screen
The filter type of air purifier is also important. Generally speaking, filtration types such as high efficiency filter, activated carbon filter and negative ion generator can effectively purify indoor air.
3. Noise of air purifier
The air purifier will produce certain noise when working, so choosing a low-noise air purifier can improve the indoor comfort.
Fourth, the air purifier brand recommendation
1. Xiaomi air purifier
Xiaomi air purifier is an intelligent air purifier, which can be remotely controlled by mobile APP to realize intelligent purification operation. Using HEPA filter and activated carbon filter can effectively remove harmful substances such as fine particles and formaldehyde in indoor air, and also has the characteristics of low noise and low energy consumption.
2. Philip air purifier
Philips air purifier adopts HEPA filter and activated carbon filter, which can effectively purify indoor air. It also has intelligent operation function, which can be remotely controlled through the mobile APP. In addition, it also has the characteristics of low noise and low energy consumption.
3. Daikin air purifier
Daikin air purifier adopts HEPA filter and activated carbon filter, which can effectively remove harmful substances in indoor air. It also has intelligent operation function, which can be remotely controlled through the mobile APP. In addition, it also has the characteristics of low noise and low energy consumption.
Verb (abbreviation of verb) How to use the air purifier
1. Place the air purifier near the indoor air pollution source.
2. Turn on the power switch of the air purifier.
3. According to the instructions of the air purifier, choose the appropriate purification mode.
4. Replace the filter screen of the air purifier regularly.