Air quality is acceptable, but for certain pollutants, there are few people sensitive to air pollution, so moderate health problems may occur.
Active children, adults, and those with respiratory diseases such as asthma should limit long-term outdoor activities.
Members of sensitive groups may be affected by health. It is unlikely that the general public will be affected
Active children, adults, and those with respiratory diseases such as asthma should limit long-term outdoor activities.
Everyone may begin to experience health effects; members of sensitive groups may be affected by more serious health effects
Active children and adults, and those with respiratory diseases such as asthma should avoid long-term outdoor activities and other people, especially children, should limit long-term outdoor activities.
Active children and adults, and those with respiratory diseases such as asthma should avoid all outdoor activities and other people, especially children, should limit outdoor activities.
Air quality index (AQI) is a nationwide measure of the five major air pollutants (national level ozone, particulate contamination, carbon monoxide, sulfur dioxide, nitrogen dioxide) specified in the air purification law . This indicator tells you about the cleanliness or pollution of the air and the possibility of encountering within hours or days after smoking the contaminated air.
In order to evaluate the degree of pollution, an air quality index (air quality index, AQI) indicating nitrogen dioxide NO 2, sulfur dioxide SO 2, carbon monoxide CO, etc. in the air was introduced. However, the distribution of pollutants in the atmosphere depends greatly on weather conditions such as high temperature and no wind. On a sunny day, the smoke becomes darker, sinks to the ground and can stay there for several days. The wind speeds diffusion and mixing with the airflow from the ground, eliminating contamination of the upper atmosphere. In fact, it is the fact that the wind can cause air pollution over long distances.
Air quality indicators (AQI) are numbers used to inform current air pollution levels or predict pollution levels. As AQI increases, as dust and other contaminating elements (such as harmful gases) increase, the air becomes more contaminated. As the number of vehicles traveling on the road increases, industry carbon emissions and air pollution levels have increased more than ever. Due to increased respiratory illness, demand for commercial and residential air purifiers is also increasing. Ozone machines are very famous in the list of various air purifiers. Ozone (O 3) contains three oxygen atoms instead of two, sometimes called reactive oxygen species. Its advantage as a fungicide (the second most powerful fungicide in the world) makes it the first choice to eliminate bacteria, viruses and smells.