Estimation of Diseases and Mortality Atributed to Atmospheric NO2 and SO2 Using AirQ Model in Hamadan City, Iran

Leili, M and Hesam, M and Bahrami Asl, F and Molamahmoudi, M and Salahshour Arian, S (2017) Estimation of Diseases and Mortality Atributed to Atmospheric NO2 and SO2 Using AirQ Model in Hamadan City, Iran. Scientifc Journal of Hamadan University of Medical Sciences, 23 (4).

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Abstract

NO2 and SO2 as gaseous air pollutants are involved in many global air accidents, and are respiratory tract irritants that can cause numerous health effects in humans. Terefore, due to the necessity of studies in this feld and the absence of any similar study in the city of Hamadan, the aim of this study was quantifcation of health effects atributed to NO2 and SO2 in Hamadan city of Iran during years 2014 and 2015. Methods: Tis was a cross-sectional study. Primarily, required criteria pollutants and meteorological data were obtained from the environmental protection agency and meteorological agency of Hamadan city, respectively. Te obtained data were validated using the World Health Organization )WHO( criteria. Required statistical indices were calculated and according to baseline incidence, relative risk and exposed populations, the different effects of pollutants were assessed. Results: According to the results, the average annual concentration of NO2 and SO2 was 1.7 and 1.6 times more than the standard, respectively. With central relative risk, the estimated atributed portion for total mortality atributed to NO2 and SO2 was 1.74 and 0.92, respectively, which is equal to death of 51.9 and 27.3 individuals during years 2014 and 2015, respectively. Conclusions: As a result, it should be stated that most of the adverse health effects atributed to SO2 and NO2 were observed in concentration ranges from 20 to 49 and 40 to 89 micrograms per cubic meter, respectively. Tis indicated that the concentration distribution of NO2 was wider than SO2. It can also be concluded that investigated pollutants )NO2 and SO2( had signifcant adverse effects on the residents of Hamadan city and before further increase in the effects, preventive measures should be taken by relevant authorities

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