Evaluation of air pollution by particulate matter PM10 in the NE region of Romania
Evaluation of air pollution by particulate matter PM10 in the NE region of Romania

Summary/Abstract: PM10 particulate matter in the ambient air is a complex combination of very small particles and liquid drops. Exposure to pollution caused by such particulate matter represents a threat to public health. The analysis hereafter shows the monthly and yearly evolution and dynamics of PM10 suspended particulate matter concentration over the period of time between years 2015 and 2019 and provides quantitative, real and precise data relating to the space-time shifting in the amount of air pollution caused by PM10 suspended particulate matter as well as the quality of ambient air. With a few exceptions, the multiannual concentrations of particulate matter measured at the EPA stations in the NE region of Romania fell within legally accepted limits (under 40 μg/m3 ). The highest multiannual averages were calculated at traffic-aimed and industrial stations, as follows: Iași City 1 (40.90 μg/m3 ), Iași City 6 (34.51 μg/m3 ), Iași City 2 (34.51 μg/m3 ), Iași City 5 (31.28 μg/m3 ) and Suceava City 2 (30.87 μg/m3 ). The lowest multiannual average was recorded at Poiana Stampei station, which is a background type station (16.70 μg/m3 ). The highest monthly averages of air pollution caused by PM10 occurred over the cold season, whereas the lowest averages were calculated during the summer season. The monthly averages indicating maximum values of PM10 concentration (over 40 µg/m3 ) were collected at traffic-aimed or urban stations. The highest daily levels of suspended particulate matter PM10 concentration were recorded at IS1 (193.83 µg/m3 – November 5 th , 2015), IS5 (182.76 µg/m3 – November 5 th , 2015) and IS6 (170.38 µg/m3 – October 19th , 2018). The administration and the population must adopt and follow practical measures to limit air pollution caused by PM10 suspended particulate matter.

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