Articles | Volume 25, issue 23
https://doi.org/10.5194/acp-25-17953-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-17953-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
09 Dec 2025
Research article |
| 09 Dec 2025
| 09 Dec 2025
Spatial and temporal distribution of fine aerosol acidity in the Eastern Mediterranean
Anna Maria Neroladaki
Environmental Chemical Processes Laboratory (ECPL), Department of Chemistry, University of Crete, 70013 Heraklion, Greece
Center for Studies of Air Quality and Climate Change, Institute for Chemical Engineering Sciences, Foundation for Research and Technology Hellas, 26504 Patras, Greece
Maria Tsagkaraki
Environmental Chemical Processes Laboratory (ECPL), Department of Chemistry, University of Crete, 70013 Heraklion, Greece
Kyriaki Papoutsidaki
Environmental Chemical Processes Laboratory (ECPL), Department of Chemistry, University of Crete, 70013 Heraklion, Greece
Kalliopi Tavernaraki
Environmental Chemical Processes Laboratory (ECPL), Department of Chemistry, University of Crete, 70013 Heraklion, Greece
Filothei Boufidou
Institute of Environmental Physics, University of Bremen, 28359 Bremen, Germany
Pavlos Zarmpas
Environmental Chemical Processes Laboratory (ECPL), Department of Chemistry, University of Crete, 70013 Heraklion, Greece
Irini Tsiodra
Institute for Environmental Research and Sustainable Development, National Observatory of Athens, 15236 Palea Penteli, Greece
Eleni Liakakou
Institute for Environmental Research and Sustainable Development, National Observatory of Athens, 15236 Palea Penteli, Greece
Aikaterini Bougiatioti
Institute for Environmental Research and Sustainable Development, National Observatory of Athens, 15236 Palea Penteli, Greece
Giorgos Kouvarakis
Environmental Chemical Processes Laboratory (ECPL), Department of Chemistry, University of Crete, 70013 Heraklion, Greece
Nikos Kalivitis
Environmental Chemical Processes Laboratory (ECPL), Department of Chemistry, University of Crete, 70013 Heraklion, Greece
Christos Kaltsonoudis
Center for Studies of Air Quality and Climate Change, Institute for Chemical Engineering Sciences, Foundation for Research and Technology Hellas, 26504 Patras, Greece
Athanasios Karagioras
Department of Environmental Engineering, Democritus University of Thrace, 67100 Xanthi, Greece
Dimitrios Balis
Laboratory of Atmospheric Physics, Aristotle University of Thessaloniki, 54634 Thessaloniki, Greece
Konstantinos Michailidis
Laboratory of Atmospheric Physics, Aristotle University of Thessaloniki, 54634 Thessaloniki, Greece
Konstantinos Kourtidis
Department of Environmental Engineering, Democritus University of Thrace, 67100 Xanthi, Greece
Stelios Myriokefalitakis
Institute for Environmental Research and Sustainable Development, National Observatory of Athens, 15236 Palea Penteli, Greece
Nikos Hatzianastassiou
Laboratory of Meteorology, Department of Physics, University of Ioannina, 45110 Ioannina, Greece
Spyros N. Pandis
Center for Studies of Air Quality and Climate Change, Institute for Chemical Engineering Sciences, Foundation for Research and Technology Hellas, 26504 Patras, Greece
Athanasios Nenes
Center for Studies of Air Quality and Climate Change, Institute for Chemical Engineering Sciences, Foundation for Research and Technology Hellas, 26504 Patras, Greece
Laboratory of Atmospheric Processes and their Impacts, School of Architecture, Civil and Environmental Engineering, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
Nikolaos Mihalopoulos
Environmental Chemical Processes Laboratory (ECPL), Department of Chemistry, University of Crete, 70013 Heraklion, Greece
Institute for Environmental Research and Sustainable Development, National Observatory of Athens, 15236 Palea Penteli, Greece
Environmental Chemical Processes Laboratory (ECPL), Department of Chemistry, University of Crete, 70013 Heraklion, Greece
Center for Studies of Air Quality and Climate Change, Institute for Chemical Engineering Sciences, Foundation for Research and Technology Hellas, 26504 Patras, Greece
Institute of Environmental Physics, University of Bremen, 28359 Bremen, Germany
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Total article views: 892 (including HTML, PDF, and XML)
Cumulative views and downloads
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Short summary
Aerosol acidity affects aerosol composition and properties, and therefore climate, human health and ecosystems. We use summer and winter fine aerosol observations at 6 sites across Greece, and a thermodynamic model to calculate the spatial and seasonal variability of aerosol acidity. Aerosols were acidic to moderately acidic and more acidic during summer than winter. The importance of organics for aerosol acidity was small. Depending on location different factors controlled aerosol acidity.
Aerosol acidity affects aerosol composition and properties, and therefore climate, human health...
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