Study of health quality of air in bojnourd Based on (AQI) in 2014Assessment of air quality Bojnurd AQI index during 2015

Continuous monitoring of air quality to determine the sources of emissions of pollutants is one of the basic strategies for controlling air pollution.The main purpose of present study wasexamination and evaluation of air quality during 2014 in Bojnurd.
Material & In the present study,air quality index (AQI) was calculated based on the four criteria pollutants levels (PM10, SO2, NO2 and CO) through linear interpolation.Air quality standards for each pollutant were categorized as good, moderate, unhealthy for sensitive groups, unhealthy, and very unhealthy based on national air quality standards.
The results showed that theAQI was higher than the standard of Iran's Environmental Protection Organizationin 149 days of 2014. Particulate matter was also determined as a responsible pollutant.
Results showed that the air quality of Bojnurdwas undesirable during half of the year and it was in the very serious situation with regarding to public health, especially for the sensitive groups.