Preprint Article Version 1 NOT YET PEER-REVIEWED

Temporal Variation of Particulate Matter Concentrations within the Urban Area of Athens, Greece

Version 1 : Received: 17 December 2016 / Approved: 18 December 2016 / Online: 18 December 2016 (10:51:57 CET)

How to cite: Najam, H.; Moustris, K.; Nastos, P. Temporal Variation of Particulate Matter Concentrations within the Urban Area of Athens, Greece. Preprints 2016, 2016120095 (doi: 10.20944/preprints201612.0095.v1). Najam, H.; Moustris, K.; Nastos, P. Temporal Variation of Particulate Matter Concentrations within the Urban Area of Athens, Greece. Preprints 2016, 2016120095 (doi: 10.20944/preprints201612.0095.v1).

Abstract

The main objective of this work is to investigate the temporal variation of PM10 concentrations within the urban area of Athens during the years 2001-2015. For this purpose, the time series of the particulate matter with aerodynamic diameter less than 10μm (PM10) is recorded for a 15-year period (2001-2015) in two different monitoring stations located in the urban area of Athens. The results show a totally different behavior of PM10 concentrations between the Athens city center and the suburban areas. It seems that in the city center the main sources of PM10 are traffic and heating systems especially during the cold period of the year. Furthermore, in the city center a significant seasonal variation was found with high concentrations during the cold period of the year and lower concentrations during the warm period of the year. Moreover, it was found that during the weekends, there is a decrease in PM10 concentrations probably due to the fact that majority of people do not use their vehicles. Finally, for both locations a significant temporal decreasing trend of the mean annual PM10 concentrations was found which indicates that during the last years, there have been improvements towards a better air quality.

Subject Areas

particulate matter; temporal variation; urban area of Athens; Greece

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