Study on ambient concentrations of air quality parameters (O₃, SO₂, CO and PM₁₀) in different months in Shiraz city, Iran

More pollutants in the air influence on human health. The air pollutants emission problem has received a lot of public attentions and academic researchers in the past decades. The objective of this study is to investigate of monthly variations of ozone (O₃), sulphur dioxide (SO₂), carbon monoxide (CO) and particulate matter (PM₁₀) in Shiraz city, Iran. For this reason, data of mean monthly air pollutants from two stations of pollution monitoring stations were analyzed. The concentrations of these parameters were monitored by continuous monitoring equipment for a period of four years (from 2006 to 2009). There were significant monthly variations in concentrations of air quality parameters. Results showed that mean monthly concentration CO and PM₁₀ were higher at station 2 than station 1, and also that concentration PM₁₀ in warm seasons was higher than cold seasons. The air quality monitoring data collected in city center of Shiraz showed seasonal variations for sulphur dioxide (SO₂), carbon monoxide (CO) and PMIO concentrations.