Variability of Aerosol Properties Using AERONET Retrievals and Relation between Aerosol Optical Depth and PM Levels at Ioannina, Greece 2022. - Nasikas, Stefanos; Michailidis, Konstantinos; Gavrouzou, Maria; Stamatis, Michael; Balis, Dimitris; Hatzianastassiou, Nikolaos (Environmental Sciences Proceedings, 2023)