Abstract
Background: To evaluate air quality between the years 2007-2011 in the province of Duzce. Methods: Inthis cross-sectional study, sulfur dioxide, particulate matter levels, wind speed, air temperature, wind direction, relative humidity, air pressure values of Duzce city center obtained from the web page of Ministry of Envoriment and Planning between 2007-2011 were studied. Ontained measurements compared with the limit values of Air Quality Protection Regulation and the European Union. Results: Average PM10 was 90,5±1,9 (minimum 11,maximum 612) in Duzce Province from January 30, 2007 to December 2011. For PM10 long-term limit value for Turkey was 78 µg/mm3 and were exceeded all years. Winter seasons had higher average values of PM10 than summer seasons. The average SO2 was 12,5±0,3 (minimum 1, maximum 56). Long-term limit value and average annual values of Turkey for SO2 were not exceeded in any year. Conclusýon:Duzce Directorate of Environment and Urban Planning should increase the controls in Duzce,especially due to higher values for PM10 parameter related to air pollution.In the days when warning theshold levels exceeded necessary measuress must be taken.
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