Studying nitrogen pollutant, mono dioxide carbon and dioxide nitrogen in Aghdasiyeh station during 2012 in Tehran

Subject Areas : Water and Environment

Narges Arab ¹ , Seyed Hamed Mirkarimi ²

1 - M.Sc. in environment, Department of Agricultural Sciences and Natural Resources, Gorgan University, Gorgan, Iran
2 - Assistant Professor, Department of Agricultural Sciences and Natural Resources, Gorgan University, Gorgan, Iran.

Received: 2014-04-09 Accepted : 2014-08-20 Published : 2015-06-22

Keywords: Ozon pollutants, Nitrogen dioxide, Carbon dioxide, Tehran city, Air pollution,

Abstract :

Today, with the raise of city population and industrialization of big cities, concentration of air pollutants has increasingly accelerated. Employing more than ten million people and too much focus of industries and factories in geographical area of Tehran along with geographical situation, topography and certain climate condition caused Tehran to be one of the most polluted cities in the world. Due to increase of pollution in cities, awareness with air quality in a period and changes of air pollutants can have key role in urban health management. In the current paper, temporal changes of nitrogen pollutants, nitrogen dioxide and carbon dioxide in Tehran were reviewed.In this paper data of air pollution monitoring data of Aghdasiyeh station were applied that are under supervision of air quality control Company in order to study changes of pollutants CO, NO2 and O3 in Tehran. Meteorological data and wind speed were gathered from geophysics station in a 12-month period in 2011. First, data required were extracted from raw data and then they were applied based on the research objective.The results of the current research indicate that according to monthly temporal changes of O3 concentration during the period mentioned, the minimum amount is in Dec and the maximum one is in Jun. Average monthly trend of concentration N2 indicated the minimum amount is in Dec and the maximum one is in Jul. And according to CO concentration, the minimum amount is in Apr and the minimum is in Jan and Feb.

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