Ahmadi, Mahmoud, Ansari, Maryam, Goudarzi, Gholamreza (2024). Investigation of Temporal – spatial variations of particulate matter (PM2.5 and PM10) in Tehran city Using GIS (2013-2020). *Journal of Environmental Science and Technology*, 26(3), 35-48. 10.30495/jest.2022.61846.5441