As people's living standards improve, people's health awareness has gradually improved, especially the attention to indoor air quality is increasing.
Today I would like to discuss with you a "common situation" in indoor air safety or a problem that can be said to be a problem: what does it mean to meet the indoor pollutant detection value?
Some people directly answered: "If you meet the standards, you will be qualified." This is such a simple question.
First of all, let’s learn about what are the indoor air pollutants of ?
Common chemical pollutants in indoor environments mainly refer to formaldehyde , benzene, toluene , xylene , TVOC, ammonia, radon, etc. Among them, formaldehyde, benzene, TVOC are well known. Formaldehyde and benzene are a type of carcinogenic substances officially announced by the WHO , which seriously affects the health of each of us.
Since July this year, relevant national departments have promulgated the latest " Indoor Air Quality Standard " GB/T18883-2022, further improving and revising the limit reference for various pollutants in the indoor air environment, as follows:
From the latest standard limit, it can be seen that the country's attention and attention to the health of the human settlement environment also reflects the importance of the indoor air environment to people's health from another perspective.
According to relevant data statistics, each of us stays indoors on average for about 18-20 hours, and each person breathes about 20,000 to 30,000 times a day. Therefore, it can be seen that the indoor air quality is seriously related to the "breathing health" of each of us.
So do you know? What kind of indoor air environment is the safest and healthiest? Is it OK if the detection value meets the standard? Of course the result is no! The test value meets the standard, but it is only theoretically qualified.
Don’t make such a cognitive "misunderstanding": the test value meets the standards or passes the standard does not mean that there is no pollution or "0" pollution, and it cannot be understood as no harm to human health. "Meet the standards" is just a comparison of relatively serious pollution, and the pollution concentration is relatively small. In other words, the pollution still exists, and the impact on our health and safety remains. It can also be understood as a high concentration of pollution value (so-called exceeding the standard), the pathogenic rate may have a greater probability of impact on human health, the pathogenic cycle is shorter, while the low concentration value (so-called meeting or passing the standard), the pathogenic rate may be "possible" and the impact on human health is less. But our health, our family's health, and our children's health cannot be bet on the word "possible".
Everyone knows that indoor air pollution has a long-term, subtle influence on human health, and is irreversible. The only thing we can do is: reduce pollution from the source, and more importantly, do our best to reduce the pollution value to "0" or tend to "0", because only the lower the pollution value, the smaller the harm can be.
Theoretically, each of us has different physical constitutions. Due to factors such as gender, age, and health, everyone's health feedback on the same environment is also different. In other words, the same environment and the same air pollutant content have different health effects on different groups of people. For example: The indoor air detection value of your home meets the standards, but the impact on adults, the elderly, and children is completely different. Perhaps if the elderly and children have weak physical fitness and resistance, some health problems may occur or chronic health damage may occur.
Therefore, the detection value of indoor pollutants "meet the standards or passes" is just a starting point, and it is also a starting point for us to protect our family's health, but it is definitely not the "end point" for us to protect our family's health.
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