The air we breathe is not pure air. Because there are small dust particles such as PM2.5, including germs And various contaminants Many more invisible Which, in general, our nose has hairs that help filter dust Before entering the respiratory system Causing the body to not be affected much But now in Thailand there is a problem of increasingly serious air pollution Especially PM2.5, which the nose can not filter this dust from entering the body. Causing him to find ways to avoid and prevent Because it may be harmful and a significant negative effect on your health.
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We have probably heard that in the past There has been a forest fire in Indonesia. Until affecting the air quality of Malaysia, Singapore including Thailand. In Thailand, the Pollution Control Department has established an air quality index. (Air quality index: AQI) and will be divided into 5 levels using colors instead of air quality.
Level 1: The blue color contains dust particles 0 - 25 micrograms per cubic meter Is a very good air quality level
Level 2: Green particles contain 26 - 50 micrograms per cubic meter. Is a good air quality level
Level 3 Yellow with dust particles 51 - 100 micrograms per cubic meter. Is a medium level of air quality
Level 4 orange color with 101 - 200 microfiber dust per meter collection. Air quality levels affect health.
Level 5 The red color has higher dust. 20 areas in Bangkok The average PM2.5 is higher than 100 micrograms per cubic meter.
Bangkok and its suburbs are highly expanding cities, resulting in both construction and roads.
There are no less than 10 million cars currently. In fact, the 1.5 million roads in Bangkok when too many cars broken.