Abstract
The aim of this study was to investigate the regime of air pollution in Ioannina, NW Greece during the years of Greek financial crisis. Annual, weekly and daily patterns for PM10, PM2.5, NO2, O3 and Benzene were defined in order to reveal the sources of air pollutants in Ioannina and the time periods of probable episodes. The quality of air was characterized according to the European Environment Agency’s European Air Quality Index, separately for winter and summer, while it was examined if and in what extend the thresholds of European Directives for each pollutant have been exceeded. The air quality in Ioannina was found to be “Good” as far as NO2 and O3 were concerned. In contrast, there were many cases with “Poor” and “Very Poor” conditions related to PM10 and PM2.5 levels, mainly during winter and autumn, caused by wood burning for residential heating. The mean annual concentrations of all pollutants did not exceed EU’s standards, but from 2011 onwards, the number of cases with PM10 mean daily concentration above threshold surpassed the number of permitted exceedences of EU directives.
Published Version
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