The effect of dry and rainy seasons on sulfur dioxide (SO2) pollutants in 15 districts of Lampung Province.

Lampung is one of the provinces in Indonesia with an area of 34,623.85 km2 and has 15 districts/cities. Air pollution in Lampung Province has shown a significant increase, causing a decrease in air quality and environmental carrying capacity. This is based on the Lampung Province Regional Regulation Number 20 of 2014 concerning air pollution control. One of the most common inorganic air pollutants is sulfur dioxide (SO2). This study aims to determine the concentration of ambient air quality Sulfur dioxide (SO2) in the dry and rainy seasons and to compare the air quality in 15 districts in Lampung Province from the results of measurements using the Passive sampler method. Sampling was carried out in the rainy season (January) and dry season (August). The mean concentration was used as the annual mean value, and then data analysis was performed using a two-way ANOVA. Based on the two-way ANOVA test, the researchers found that the concentration of SO2 was not significantly different (p-value >α) between the average concentration of SO2 in each district/city for two consecutive years. This indicates that there is no difference in the average SO2 between the dry season and the rainy season, in other words that the dry and rainy seasons have no effect on SO2 pollutant levels. [ABSTRACT FROM AUTHOR]