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    Particulate matter and sulphur dioxide trends in Turkey, 2005-2015
    (Turkiye Klinikleri, 2018) İnandi, Tacettin; Canciğer Eltaş, Mehtap; Kerman, Beyza
    Objective: Air quality is one of the most important factors to determine our health. Today, 92.0% of the world's population lives in places where the air is polluted. Polluted air is fourth reason in terms of death. The aim of this study is to evaluate PM10 SO2 values and trends by characteristics of place and time. Material and Methods: The data of stations starting to measure in the survey between 2005-2007 and continuing to be measured until 2015 and measuring at least 75% of a year were downloaded from the website of http://www.havaizleme.gov.tr/ in the form of Microsoft Excel file, in 2016. Downloaded values were the 24 hour averages. Results: The number of measuring stations by the years was between 12 and 72. The median PM10 values by the years changed between 46?g/m3 and 84?g/m3 and the median value of ten years was 54?g/m3. The PM10 values exceeded the limit value in 54.2% of all the days. The median SO2 value was 8?g/m3 for ten years. Daily values for SO2 exceeded in 23.0% of total days for the 10 years. There is a decreasing trend in the values of both PM10 and SO2 from 2005 to 2015. However, the values measured in terms of PM10 were above the WHO limit values. The decreasing trends in winter seasons were higher than in the summer seasons regarding to PM10. Towards summer, the SO2 median value gradually decreased and remained at its lowest level in June-August. The lowest median PM10 is observed in the Black Sea Region with 48 ?g/m3, while the highest PM10 value is 71 ?g/m3 in the Aegean Region during the measurement years evaluated in terms of regions. The highest SO2 median value was in the Aegean with 13 ?g/m3 and the lowest was in Marmara with 6 ?g/m3. Conclusion: There is a decreasing trend for PM10 and SO2 values for ten years. The pollution of PM10 is more prominent than SO2. Population was exposed to polluted air in more than the half of the all days. The current air quality is not suitable for public health. © 2018 by Türkiye Klinikleri.