How Serious Is Indoor Air Pollution

“Indoor” mainly refers to the living room. Indoor air pollution refers to indoor environmental pollution behaviors that cause harmful substances in indoor air to exceed the standard due to various reasons, thereby affecting human health. Harmful substances include formaldehyde, benzene, ammonia, radioactive radon, etc. When the pollution level is aggravated, the human body will produce sub-health reactions and even threaten the safety of life, which is one of the human hazards that has received increasing attention.

On average, people spend more than 80% of their time indoors. With the modernization of production and lifestyles, more work, entertainment and sports activities can be carried out indoors, shopping does not have to go to the street every day, and a suitable indoor microclimate makes it unnecessary for people to often go outdoors to adjust the thermal effect. In this way, people’s Indoor activity time is more, even as high as 93%. Therefore, the relationship between indoor air quality and human health is more closely and more important. Although concentrations of indoor pollutants tend to be low, the cumulative exposure is high due to the long exposure time. In particular, the elderly, young, sick, disabled and other frail people have lower body resistance and fewer opportunities for outdoor activities. Therefore, the relationship between indoor air quality and them is particularly important.

There are 2 categories of household indoor air pollution.

Gas Pollutants

Such as carbon monoxide, nitrogen oxides and strong carcinogens produced by cooking in the kitchen. Toxic and harmful substances emitted from interior decoration materials, cosmetics, new furniture, mainly include formaldehyde, benzene, ether esters, trichloroethylene, acrylonitrile and other volatile organic compounds. People themselves are also one of the sources of air pollution. Relevant data shows that each person exhales about 500 liters of carbon dioxide gas every day, and the human skin emits as many as 271 kinds of organic substances such as lactic acid. It is determined that the pollution of a cigarette in the living room is more harmful to the human body than the pollution of a car on the road.

Microbial Contaminants

Such as bacteria, viruses, pollen and dust mites. Indoor humid places, it is easy to breed fungi, causing microorganisms to pollute the indoor air. In the process of multiplying in large numbers, the fungus also emits a peculiar, unpleasant odor. These biological contaminations can cause health damages such as allergic diseases and respiratory diseases for house occupants. Therefore, it can be said that the focus of family environmental protection is to eliminate these sources of pollution, which not only guarantees the health of family members, but also reduces the pollution to the external environment.

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