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IAHS 2015, 2(3): 95-100 Back to browse issues page
Evaluation of 5 Air Criteria Pollutants Tehran, Iran
Mazaheri Tehrani A., Karamali F. *1, Chimehi E.
1- BSc Environmental Health Department, Health Faculty, Kashan University of Medical Sciences, Kashan, , fahimeh76@ymail.com
Abstract:   (2074 Views)

Aims: Tehran’s uncontrolled expansion, which promoted housing, public utilities, industries and increase of vehicles caused the problem of air pollution. Necessary information about air quality in different places and different times is the first step of combating the air pollution. The purpose of this study was to investigate the annual, monthly and hourly average of 5 criteria air pollutants (PM10, O3, NO2, SO2, CO) of Tehran City, Iran.

Instrument & Methods: The hourly concentrations of PM10, O3, NO2, SO2, CO were obtained from 21 air quality-measuring stations of Tehran City, Iran, during April 2012 to March 2013. Data were presented by descriptive statistics in the form of mean and standard deviation.   

Findings: CO concentration was not changed during the period of study. Nitrogen dioxide increased in spring and winter. Sulfur dioxide was not changed in the first six months of the year but its concentration increased in winter. Trend of changes of floating particles showed increasing the concentration of this pollutant in May 2012 and January 2013. Ozone concentration increased in the warm seasons and decreased in the cold seasons.

Conclusion: PM10, O3, NO2, SO2 and CO has high concentrations and cold periods of the year are more polluted than the warm periods in Tehran City, Iran.

Keywords: Air Pollution, Ozone, Carbon Monoxide, Nitrogen Dioxide, Sulfur Dioxide, Tehran
Full-Text [PDF 542 kb]   (1180 Downloads)    
Article Type: Original Research | Subject: Environmental Health
Received: 2015/05/30 | Accepted: 2015/08/19 | Published: 2015/08/19
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DOI: 10.7508/iahs.2015.03.001

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Mazaheri Tehrani A., Karamali F., Chimehi E.. Evaluation of 5 Air Criteria Pollutants Tehran, Iran. IAHS. 2015; 2 (3) :95-100
URL: http://iahs.kaums.ac.ir/article-1-57-en.html
Volume 2, Number 3 (Summer 2015) Back to browse issues page
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