Characteristics of PM2.5 Concentration at Bandung and Palembang from December 2019 to November 2021 Measured by Low-Cost Sensor

This paper discusses the daily characteristics of PM2.5 at Bandung and Palembang measured by using low-cost sensor. Two low-cost sensors developed by Nagoya University has been being operated in Bandung and Palembang continuously and simultaneously. The data recorded every minute and has been grouped considering the season of DJF, MAM, JJA, and SON. To get the potential dispersion of PM2.5 concentration in Bandung and Palembang, the surface meteorological data have been used. It is found the different primary peak at both of locations. In Bandung, the primary peak appeared in the morning whereas the primary peak in Palembang appeared in the evening. In general, it is also found the annual concentration of PM2.5 at Bandung higher than in Palembang and both are overvalued of upper limit of Indonesia Government rule.