Study of Monitoring Air Quality Concentrations of PM10 and PM2.5 Parameters with Aerosol Optical Depth (AOD) Measurements (Case Study: Pontianak City)

Abstract

Aerosol Optical Depth (AOD) is an optical measurement of the extinction of light or solar radiation by aerosols quantitatively, the AOD value can be used to represent the amount of aerosols in the entire atmosphere column. Aerosol Optical Depth (AOD) is the single most comprehensive variable representing aerosol values ​​for long distances in the atmosphere and can be used as a key variable in climate modeling, aerosol experimental approaches and satellite verification. Human daily activities through changing land cover, burning fossil fuels, and releasing particulates and gaseous species into the atmosphere are very influential and have an impact on the local aerosol environment, the effects on the global climate are difficult to predict. Accuracy and completeness of the aerosol depth monitoring system in the atmosphere is urgently needed. Ground-based monitoring instruments will be used to determine current aerosol loads, characterize aerosols, measure pollution in the atmosphere which can be used as a definitive measure of change or modeling of air quality in the future. The relationship between PM10 and PM2.5 concentration values ​​shows a positive and significant correlation, which means that the air quality parameters PM10 and PM2.5 concentrations with AOD values ​​have the same trend with the results of a correlation coefficient of 0.88 0.8937 for monthly data and 0.7633 0.7673 for daily data in 2018 and the correlation coefficient is 0.678 0.8482 for monthly data and 0.2883 0.4048 for daily data in 2019. However, a correction factor needs to be done to produce a stronger and more accurate correlation value.