Episodes of extremely high concentrations of SO2 and particulate matter in the urban environment of Bor, Serbia

This paper presents the extremely high concentrations of SO2 and particulate matter measured in the urban area of the town Bor (Serbia) during August 2011. Concentrations of SO2 above 125 μg m−3 and concentrations of particulate matter above 200 μg m−3 recorded over several days indicate significant risk to human health and the ecosystem in this region.