Özet:

Among the most important environmental problems, air pollution is in the first rows in the city of Erzurum. Even though there was a statistically significant decrease in air pollution caused by natural and anthropological factors with the beginning of natural gas use in the fuel – burning term of 2005–2006, the extent of air pollution is still at a level, which threatens public health. In order to determine the temporal and spatial distribution of air quality in Erzurum, concentrations of SO2 (Sulfurdioxide) and PM (Particle Materials) between 1990 and 2008 were analyzed and evaluated considering geographic factors and measurement values. This study is unique since from the findings of the study, spatial analysis charts belonging to measured SO2 and PM values were drawn using GIS (Geographical Information Systems) techniques and considering only the urban area and certain periods. It was determined that between 1990 and 2008 concentration of SO2 decreased 3.7 folds while this rate is four folds in PM concentration. The reason for this improvement may be the extensive use of natural gas and effective legal measurements. Key words: Air pollution, Air quality, Erzurum, Turkey

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