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Annual data of the Pollution Control Department of PM dust 2.5 is an increase in volumes indicating problem air quality. The problem is different and more complex. Therefore, it has to be analyzed to identify the cause in order to resolve the problem more precisely and efficiently. This research purposes data analytics and visualization system for particle dust particle size determination of 2.5 micrometers (PM2.5) in Bangkok using visualization technique with R programming language and Mysql database. The system can display quantitative information that can be measured in many forms such as numbers, diagrams and graphs as well as being interesting, easy to understand, and provide clarity in analysis. The implementation of this research has collected data from the Pollution Control Department and the Bangkok PM2.5 database, which monitors the air quality of Thailand to assess the situation of air quality and alert the case of pollution exceeding the standard. The experimental and evaluation of satisfaction by user found that users were satisfied with the program at a good level. The system was analyzed to support the work of data analytic and visualization for users effectively.
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