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Assessment of Air Quality Index and Health Impact of Pm10, Pm2.5 and So2 in Yazd, Iran



Mokhtari M1 ; Miri M2 ; Mohammadi A2 ; Khorsandi H3 ; Hajizadeh Y4 ; Abdolahnejad A2
Authors
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Authors Affiliations
  1. 1. Department of Environmental Health Engineering, Environmental Health Research Centre, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
  2. 2. Environmental Health Research Centre, Yazd University of Medical Sciences, Yazd, Iran
  3. 3. Department of Environmental Health Engineering, Urima Uinversity of Medical Sciences, Urmia, Iran
  4. 4. Department of Environmental Health Engineering, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Mazandaran University of Medical Sciences Published:2015

Abstract

Background and purpose:In the past two decades, epidemiological studies have shown that outdoor air pollution lead to increase in respiratory symptoms, cardiovascular diseases, chronic bronchitis and mortality. This study aimed to estimate AQI index and the risk of cardiovascular and respiratory diseases and premature mortality caused by PM10, PM2.5 and SO2 in Yazd, 2013-2014. Materials and methods: In this ecological-descriptive study the air quality was assessed using AQI index. The health impact assessment of PM10, PM2.5 and SO2 was obtained by AirQ software. Results: According to the results, PM10 was the main cause of hospital admissions (n=460) and premature death (n=283) while SO2 was observed as the least effective pollutant involving 0.29% hospitalization and 9 premature death. The days with unhealthy air quality (AQI >100) was estimated less than 10 percent per year. The highest values of AQI were observed in spring and summer. PM10 was responsible for high AQI in 11 months and O3 was only responsible in first week of April. Conclusion: The AirQ showed high rates of premature death, cardiovascular and respiratory diseases associated with PM10 and PM2.5 in Yazd. Unhealthy air quality in some days could be due to fuel combustion, wind, dust, and air dryness. © 2015, Mazandaran University of Medical Sciences. All rights reserved.
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