First. Applicable places:

1. A newly renovated or refurbished residence.

2. The residence of the elderly, children, pregnant women and newborns.

3. The residence of persons with asthma, allergic rhinitis and pollen allergy.

4. Houses for keeping pets and livestock.

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

6. Hotels and public places.

7. The residence of people who are willing to receive high-quality life.

8. Hospitals, reduce infections and prevent the spread of diseases.

Second. Applicable people:

1. Pregnant women: Pregnant women will feel general discomfort in the room with severe air pollution, dizziness, sweating, dry tongue, chest tightness and vomiting, which will have adverse effects on the development of the fetus. Children born to pregnant women who breathe clean air are three times more likely to develop heart disease.

2. Children: Children's bodies are developing, their immune systems are relatively fragile, and they are vulnerable to the harm of indoor air pollution, resulting in decreased immunity, delayed physical development, induced blood diseases, increased incidence of childhood asthma, and greatly improved children's intelligence. reduce.

3. Office family: An enviable career when working in a high-end office building. 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, affecting work efficiency, causing various diseases, and even cancer in severe cases.

4. The elderly: The physical function of the elderly declines, and they are often afflicted with a variety of chronic diseases. Air pollution not only causes bronchitis, pharyngitis, pneumonia and other respiratory diseases in the elderly. It can also induce high blood pressure, heart disease, cerebral hemorrhage and other cardiovascular and old vascular diseases.

5. Patients with respiratory diseases: Long-term living in polluted air will lead to decreased respiratory function and aggravated respiratory symptoms, especially rhinitis, chronic bronchitis, bronchial asthma, emphysema and other diseases. An auxiliary and curative effect is achieved by breathing pure air.

6. Driver: lack of oxygen in the car and serious car exhaust pollution.