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source:Optimization dedicated release time:2022-01-25 Hits: Popular:aromatherapy diffuser direct sales
The popularity of PM2.5 has repeatedly increased the sales of air purifiers. PM2.5 has aroused public debate in recent years, and it has entered the public eye by chance. In 2009, the US Embassy in China released Beijing PM2.5 data through Twitter. PM2.5 attracted the attention of the Chinese people. In 2011, China's official air quality data was very different from the monitoring data of foreign embassies, which aroused much discussion among the people until 2013. , Beijing and many cities began to publish PM2.5 information, and the concept of PM2.5 entered the public eye. In 2015, CCTV host Chai Jing's haze survey report titled "Under the Dome" once again aroused heated discussions among the people.
The whole people are paying more and more attention to haze removal and prevention. Haze removal and anti-haze products such as air purifiers and masks are becoming more and more popular. But can such products really eliminate haze and prevent haze? Before discussing this issue , We should think about what is the fundamental purpose of removing haze and preventing haze? The editor believes that most consumers buy air purifiers because they panic about haze, and they have not considered the deep demand and what is the fundamental demand? The deep demand is In order to prevent diseases caused by smog to the human body, the basic needs are to prevent diseases, reduce health risks, maintain health, and extend life span.
Smog is a necessary condition that affects human health, but it is not a sufficient condition. The use of air purifiers can only reduce the probability of diseases caused by smog, because smog is only one of the pollutants in air pollution, and the probability that only one pollutant affects human health is far less than that of multiple pollutants in the air. The total probability of impact on the human body. Therefore, the best solution to prevent diseases is not just to prevent haze, but to solve air pollution.
There are many causes of human diseases, and the editor only analyzes air pollution.
1. What is air pollution?
It is defined from the composition and content of the air. If there are other impurities in the air in addition to the main components such as nitrogen, oxygen, rare gases, and carbon dioxide, and the content exceeds 0.04%, this situation is generally called air pollution; if air The proportion of the main components in the air is unreasonable. For example, when the carbon dioxide content is higher than 0.03%, it will cause physical discomfort or even poisoning. The increase in carbon dioxide content is accompanied by a decrease in oxygen content, and low air freshness can also cause harm to the body.
2. Is it the indoor air or outdoor air that causes more harm to the human body?
Outdoor air pollution mainly comes from automobile exhaust, power stations, industrial and agricultural emissions, and residential heating and cooking; indoor air pollution comes from both outdoor and indoor human activities and decoration and decoration materials. From the perspective of pollution sources, indoor air environment More complicated than outdoors. According to statistics, modern people spend about 90% of their time in indoor places every day, and 60% of their time is spent at home. From the point of time of influence, the influence time of indoor air is longer. According to a survey conducted by Professor Zhang from Tsinghua University, the potential total amount of pollutants inhaled by a person per day is 787.3 micrograms, of which indoor PM2.5 inhalation accounts for more than 80% of the daily total, and indoor PM2.5 inhalation is outdoor 4 times. Therefore, from the perspective of the length of time and the complexity of the air environment, indoor air is more harmful to the human body than outdoor air.
3. What kind of air will not cause harm to the human body?
To ensure that the air quality reaches the following two points, it will not cause harm to the human body: First, ensure that there is only nitrogen, oxygen, rare gases, and dioxide in the air, and the content of other impurities is not more than 0.04%. Second, ensure the normal proportions of various components in the air. The oxygen content in the air is not less than 21% and the carbon dioxide content is not more than 0.03%.
4. Can the air purifier guarantee the above two points?
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