Concentration, Chemical Composition and Origin of PM1: Results from the First Long-Term Measurement Campaign in Warsaw (Poland)
Aerosol and Air Quality Research, 18: 636–654, 2018 Copyright © Taiwan Association for Aerosol Research ISSN: 1680-8584 print / 2071-1409 online doi: 10.4209/aaqr.2017.06.0221 Concentration, Chemical Composition and Origin of PM1: Results from the First Long-term Measurement Campaign in Warsaw (Poland) Grzegorz Majewski1*, Wioletta Rogula-Kozłowska2,3, Katarzyna Rozbicka1, Patrycja Rogula-Kopiec3, Barbara Mathews3, Andrzej Brandyk1 1 Warsaw University of Life Sciences, Faculty of Civil and Environmental Engineering, 02-776 Warsaw, Poland 2 The Main School of Fire Service, Faculty of Fire Safety Engineering, 01-629 Warsaw, Poland 3 Institute of Environmental Engineering, Polish Academy of Sciences, 41-819 Zabrze, Poland ABSTRACT This paper presents a 120-day-long variability of chemical composition of submicron particulate matter (PM1) over Warsaw. The content of the following components was examined in the PM1 mass: primary (POM) and secondary (SOM) organic matter, secondary inorganic matter (SIM), elemental carbon (EC) as well as Na and Cl ions (primary inorganic matter). The 24-hour concentrations of PM1 were subject to seasonal fluctuations which are typical of urban areas in Poland; –3 –3 their values averaged 11 µg m in summer and 17 µg m in winter. Most of the PM1 components and gaseous pollutants (SO2, NO2 and NOx) revealed higher mean concentrations in winter than in summer. A statistical analysis of meteorological parameters and 24-h concentrations of PM1, PM10, SO2, NO2 and NOx confirmed a significant influence of air temperature and precipitation on the concentration patterns of these pollutants over Warsaw. The highest concentrations of PM1 occurred in winter for the following wind directions: S, SE, N and NE; in summer for NE, E and S.
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