Particulates, NO2, and SO2 from Multifuel Boiler (MB) 21, 23/24, and 25/26 of PT Indah Kiat Pulp &; Paper Tbk have the potential to affect the health of the surrounding community, so this research is important. This study aims to determine the distribution pattern of pollutants emitted by sources based on measurement time, compare ambient air concentrations in the dry and rainy seasons, and com…