بررسی روند تغییرات مکانی - زمانی آلاینده های PM10 ، PM2.5 و O3هوای شهر تبریز طی سالهای 1396-1385

نویسندگان: اکبر غلام پور , وحیده برزگراردی

کلمات کلیدی: Background and Objective: This study was conducted to investigate the long-term temporal trends and spatial variations of ambient PM10, PM2.5, O3, concentrations in Tabriz city, between 2006 and 2017. Materials and methods: Real-time hourly concentrations of PM10, PM2.5, O3 measured at nine air quality monitoring stations (AQMSs) were obtained from the Tabriz Department of Environment (TDoE) during 2006-2017 and analyzed. Spatial and temporal variations of pollutants using the Mann-Kendall's test and Moran’s I index were analyzed. Results: The results of this study showed that the annual trend of PM10, PM2.5 was decreasing but was almost constant for O3 during the study period. During some of the studied days for PM10, PM2.5 levels were exceeded greater than the WHO AQG and National standard levels. Moreover, the highest monthly mean concentrations of PM10 in October (80.3 µg/m³), PM2.5 in January (42.9 µg/m³) and O3 in June (77.8 µg/m³) were observed. Compared between the stations, the Raste Kuche station was more polluted than the other stations. Conclusion: Effective control planning and implementation policies are essential to improve the air quality of the Tabriz environment. So this information provides a key step for city managers, policymakers, and health officials to reduce the health impacts of air pollution.

نشریه: 36138 , 2 , چهاردهم , 2021