Application of Geographic Information System in the Study of Air Pollution A case study in Khon Kaen
Keywords:
Air Pollution/, impact, Geographic Information SystemAbstract
Application of Geographic Information System in the Study of Air Pollution Khon Kaen Province The objective of this research is to study the type and concentration of air polluting substances. And factors affecting the spread of air polluting substances To analyze the spread of air pollution affecting the human body By using GIS for estimation in the range Interpolation by Inverse Distance Weighting (IDW) method and theory, which divides the air quality into 5 stages, which are very good air quality, moderate good air began to affect health And affecting health By using the values to analyze the relationship of substances that cause air pollution that affects the body, found that there are only 3 substances that have concentrations that affect the body are 1) PM10 has the highest diffusion concentration in February 2019, equivalent to 163.67 µg / m3, which is in the initial threshold for health impact. 2) PM2.5 has the highest diffusion concentration in March 2019. Equal to 109.29 /g / m3, which is in the initial threshold for health impact and health impact, and 3) O3 has the highest diffusion concentration in March 2019, which is 71.92 ppb. There are 3 main factors that cause air pollution. 1) Caused by open-burning of farmers. Especially in agricultural areas from sugarcane and rice, 2) caused by incomplete combustion of cars and 3) caused by the construction of the double track railway project Jira junction (Nakhon Ratchasima) - Khon Kaen. The most common effect on the human body is the effect on the respiratory system.
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