Analysis of indoor air pollution

People have always thought that air pollution is serious outdoors. In fact, the indoor environment of offices, rooms, restaurants, theaters, dance halls and other buildings has a much greater impact on people’s health than outdoor. About 80% of a person’s life is spent indoors. Therefore, the quality of indoor environment directly affects human health. From the reality, the indoor air quality is far worse than the outdoor atmospheric environment.

Environmental workers remind people that indoor air pollution is often five times more severe than outdoor air pollution, and in some cases, even more than 100 times. About 300 kinds of pollutants can be detected indoors, and 68% of human diseases are related to indoor air pollution. With the improvement of living standards, people pay more and more attention to the beautification of the home environment, but it also inevitably brings indoor environmental pollution.

Indoor air pollution directly threatens people’s health. The number of deaths caused by indoor pollution is as high as 111,000 per year, the number of over-examinations is 220,000, and the number of emergency vacancies is 4.3 million. The incidence of diseases such as leukemia, respiratory diseases, blood diseases, fetal death, deformed children, and skin diseases due to environmental quality has increased by an average of more than 2% over the previous year. Due to the deterioration of the indoor environment, the incidence of lung cancer is increasing at an alarming rate of 26.9% per year. The World Health Organization has announced that pneumonia and other acute lower respiratory tract infections are the single most important cause of death among children under five years of age. Exposure to indoor air pollution increases the risk of pneumonia by more than a factor of more than 900,000 deaths per year from 2 million deaths caused by pneumonia. Even more worrisome is that children are more vulnerable to indoor air pollution than adults. A survey from Beijing Children’s Hospital showed that 90% of children with leukemia admitted to the hospital had been renovated within six months. Experts speculate that harmful substances in interior decoration materials may be an important cause of pediatric leukemia.

According to investigations by the World Health Organization and relevant Chinese departments, due to the widespread use of sealed structures in modern buildings, indoor air pollution caused by improper use of decorative materials has caused serious problems in building diseases. In some areas, the detection results of formaldehyde, benzene, TVOC and other harmful substances in the indoor environment have reached 7.7% of the total required by the State’s ‘Code for the Control of Indoor Air Pollution in Civil Buildings’. The huge harm caused by decoration pollution has caused the government. Relevant departments, health organizations, and relevant experts attach great importance to it.

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