1. Applicable places:    

    1. A newly renovated or renovated residence.

    2. There are residences for the elderly, children, pregnant women, and newborns.

    3. Residence for people with asthma, allergic rhinitis and pollen allergies.

    4. The residence where pets and livestock are kept.

    5. Houses that are relatively closed or affected by second-hand smoke.

    6. Hotels, public places.

    7. A residence for people who are willing to receive a high-quality life.

    8. In hospitals, reduce infections and prevent the spread of diseases.

    2. Applicable crowd:  

    1. Pregnant women: Pregnant women will feel general malaise, dizziness, sweating, dry tongue, chest tightness, vomiting and other symptoms when they are indoors with serious air pollution, which will have an adverse effect on the development of the fetus. The probability of developing heart disease is three times that of a child born to a pregnant woman who breathes fresh air.

    2. Children: Children’s bodies are developing, and their immune systems are relatively fragile and vulnerable to indoor air pollution, which can lead to decreased immunity, delayed physical development, induce blood diseases, increase the incidence of childhood asthma, and increase their intelligence. reduce.

    3. Office family: an enviable career when working in high-end office buildings. However, in a constant temperature and airtight environment with poor air quality, it is easy to cause dizziness, chest tightness, fatigue, emotional ups and downs and other uncomfortable symptoms, which affect work efficiency and cause various diseases. In severe cases, it can also cause cancer.

    4. Elderly people: Older people decline in physical function and often suffer from a variety of chronic diseases. Air pollution not only causes respiratory diseases such as bronchitis, pharyngitis, and pneumonia in the elderly. It can also induce high blood pressure, heart disease, cerebral hemorrhage and other cardiovascular diseases.

    5. Patients with respiratory diseases: Long-term living in polluted air will cause a decline in respiratory function and aggravate respiratory symptoms, especially rhinitis, chronic bronchitis, bronchial asthma, emphysema and other diseases. By breathing pure air to achieve auxiliary and radical therapeutic effects.

    6. Driver: There is a lack of oxygen in the car, and the exhaust pollution of the car is serious.