As early as 2002, the World Health Organization listed “indoor air pollution” as one of the top ten hazards to human health.
A: Sources and hazards of indoor air pollution:
Generally speaking, indoor air pollution can be divided into particulate pollutants, gas pollutants and biological pollutants according to the characteristics of pollutants.
1: Particulate pollutants: generally refer to particulate pollutants such as dust, droplets and haze. Among them, the most widely known is the fine particulate matter PM2.5. PM2.5 is a kind of particulate matter that can enter the lungs, most of which can enter the bronchi and alveoli, which will interfere with the gas exchange in the lungs, further causing asthma, bronchitis, heart disease Diseases of blood vessels, lung cancer, etc.
2: Gas pollutants: The general value is formaldehyde, benzene, ammonia, TVOC and other harmful gases released from decoration materials and furniture. Long-term exposure can induce skin or respiratory diseases, and even affect the nervous system in severe cases.
3: Biological pollutants: including bacteria, viruses and allergen substances (pollen, mites, animal dander, etc.). Biological pollutants will attach to particulate matter after multiplying indoors, or spread directly in the air, causing people to experience symptoms such as eye irritation, allergies, asthma, and skin diseases.
B: Prevention of indoor air pollution:
1: Strengthen ventilation: If conditions permit, you can open windows for ventilation to improve indoor air. Regularly carry out cleaning, pay attention to cleaning.
2: Choose environmentally friendly decoration materials: Choose decoration and decoration materials that meet the national environmental protection standards to reduce the source of pollution from the source.
3: Equipped with air purification devices: Indoor air testing is carried out regularly, and air purification devices are equipped to carry out comprehensive air purification if necessary.
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