Authors
Majid Kermani, Mohsen Dowlati, Ahmad Jonidi Jaffari, Roshanak Rezaei Kalantari
Publication date
2016/6/10
Journal
Journal of health research in community
Volume
2
Issue
1
Pages
28-36
Publisher
Journal of health research in community
Description
Methods: This study was a descriptive–analytic one. Firs, hourly data of four criteria pollutants were taken from the Environmental Protection Agency and Air Quality Control Company. These data were validated according to the World Health Organization (WHO) guidelines. Then, the daily AQI for the given pollutants were determined based on the available standard tables and equation. Finally, the highest value among the calculated indexes obtained from all the stations was recognized as the final index and the pollutant which was responsible for this index was introduced as the responsible pollutant of day.
Results: Tehran’s air quality was shown to exceed the standards of Environmental Protection Agency of Iran (AQI> 100) _ 327, 330, 343, 350, and 352 days of the year during 2011-2015 respectively. Besides, PM 2.5 was found to be the main pollutant which was responsible for this condition.
Conclusion …
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