Articles | Volume 26, issue 3
https://doi.org/10.5194/acp-26-1809-2026
© Author(s) 2026. 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-26-1809-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
05 Feb 2026
Research article |
| 05 Feb 2026
| 05 Feb 2026
Recent advances in aerosol optical depth measurements in polar regions: insights from the Polar-AOD Program
Ca' Foscari University of Venice, Department of Environmental Sciences, Informatics and Statistics, 30123 Venice, Italy
National Research Council, Institute of Polar Sciences, 40129 Bologna, Italy
Angelo Lupi
National Research Council, Institute of Polar Sciences, 40129 Bologna, Italy
Vito Vitale
National Research Council, Institute of Polar Sciences, 40129 Bologna, Italy
Claudia Frangipani
National Research Council, Institute of Polar Sciences, 40129 Bologna, Italy
Carlos Toledano
University of Valladolid, 47002 Valladolid, Spain
Stelios Kazadzis
Physikalisch-Meteorologisches Observatorium Davos, 7260 Davos, Switzerland
Natalia Kouremeti
Physikalisch-Meteorologisches Observatorium Davos, 7260 Davos, Switzerland
Christoph Ritter
Alfred Wegener Institute for Polar and Marine Research, 14473 Potsdam, Germany
Sandra Graßl
Alfred Wegener Institute for Polar and Marine Research, 14473 Potsdam, Germany
Kerstin Stebel
NILU, 2007 Kjeller, Norway
Vitali Fioletov
Environment and Climate Change Canada, M3H 5T4 Ontario, Canada
Ihab Abboud
Environment and Climate Change Canada, M3H 5T4 Ontario, Canada
Sandra Blindheim
Andøya Rocket Range, 8480 Andenes, Norway
Lynn Ma
Environmental Science and Technologies, Brookhaven National Laboratory, 11973 New York, USA
Norm O'Neill
Sherbrooke University, QC J1N 3C6 Quebec, Canada
Piotr Sobolewski
Polish Academy of Sciences, Institute of Geophysics, 01-452 Warsaw, Poland
Pawan Gupta
NASA Goddard Space Flight Center, 20771 Greenbelt, USA
Elena Lind
NASA Goddard Space Flight Center, 20771 Greenbelt, USA
Thomas F. Eck
NASA Goddard Space Flight Center, 20771 Greenbelt, USA
Antti Hyvärinen
Finnish Meteorological Institute, 00101 Helsinki, Finland
Veijo Aaltonen
Finnish Meteorological Institute, 00101 Helsinki, Finland
Rigel Kivi
Finnish Meteorological Institute, 99600 Sodankylä, Finland
Janae Csavina
National Ecological Observatory Network, 80301 Boulder, USA
Dmitry Kabanov
Zuev Institute of Atmospheric Optics, Russian Academy of Science, 634055 Tomsk, Russia
Sergey M. Sakerin
Zuev Institute of Atmospheric Optics, Russian Academy of Science, 634055 Tomsk, Russia
Olga R. Sidorova
Arctic and Antarctic Research Institute, 199397 St Petersburg, Russia
Robert S. Stone
National Oceanic and Atmospheric Administration, 20230 Washington, USA
retired
Hagen Telg
National Oceanic and Atmospheric Administration, 20230 Washington, USA
Laura Riihimaki
National Oceanic and Atmospheric Administration, 20230 Washington, USA
Raul R. Cordero
University of Groningen, 8911 CE Leeuwarden, the Netherlands
Santiago de Chile University, 9170022 Santiago, Chile
Martin Radenz
Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany
Ronny Engelmann
Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany
Michel Van Roozendal
Belgian Institute for Space Aeronomy, 1180 Brussels, Belgium
Anatoli Chaikovsky
Institute of Physics, National Academy of Sciences of Belarus, 220072 Minsk, Belarus
Philippe Goloub
University of Lille, Atmospheric Optics Laboratory, 59655 Villenueve d'Ascq Cedex, France
Junji Hisamitsu
Japan Meteorological Agency, 105-8431 Tokyo, Japan
Mauro Mazzola
National Research Council, Institute of Polar Sciences, 40129 Bologna, Italy
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Short summary
This study analyzed aerosols optical properties over the Arctic and Antarctic to measure them even during long periods of darkness. It found that pollution in the Arctic is decreasing, likely due to European emission regulations, while wildfires are becoming a more important source of particles. In Antarctica, particle levels are higher near the coast than inland, and vary by season. These results help us better understand how air pollution and climate are changing at the Earth’s poles.
This study analyzed aerosols optical properties over the Arctic and Antarctic to measure them...
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