Articles | Volume 25, issue 19
https://doi.org/10.5194/acp-25-11789-2025
© 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-25-11789-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
01 Oct 2025
Research article |
| 01 Oct 2025
| 01 Oct 2025
Complementary aerosol mass spectrometry elucidates sources of wintertime submicron particle pollution in Fairbanks, Alaska, during ALPACA 2022
Aix-Marseille Université, CNRS, LCE, Marseille, France
present address: Atmospheric, Climate, and Earth Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99354, United States
Brice Temime-Roussel
Aix-Marseille Université, CNRS, LCE, Marseille, France
Benjamin Chazeau
Aix-Marseille Université, CNRS, LCE, Marseille, France
Sarah Albertin
University of Grenoble Alpes, CNRS, IRD, Grenoble INP, INRAE, IGE, Grenoble, France
Stephen R. Arnold
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom
Brice Barret
Laboratoire d'Aérologie, Université Toulouse III-Paul Sabatier, CNRS, Toulouse, France
Slimane Bekki
Sorbonne Université, UVSQ, CNRS, LATMOS-IPSL, Paris, France
Natalie Brett
Sorbonne Université, UVSQ, CNRS, LATMOS-IPSL, Paris, France
Meeta Cesler-Maloney
Department of Chemistry and Biochemistry and Geophysical Institute, University of Alaska, Fairbanks, AK 99775, United States
Elsa Dieudonne
Laboratory of Physics and Chemistry of the Atmosphere, University of the Littoral Opal Coast, 59140 Dunkirk, France
Kayane K. Dingilian
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, United States
Javier G. Fochesatto
Department of Atmospheric Sciences, University of Alaska, Fairbanks, AK 99775, United States
Jingqiu Mao
Department of Chemistry and Biochemistry and Geophysical Institute, University of Alaska, Fairbanks, AK 99775, United States
Allison Moon
Department of Atmospheric Sciences, University of Washington, Seattle, WA 98195, United States
Joel Savarino
University of Grenoble Alpes, CNRS, IRD, Grenoble INP, INRAE, IGE, Grenoble, France
William Simpson
Department of Chemistry and Biochemistry and Geophysical Institute, University of Alaska, Fairbanks, AK 99775, United States
Rodney J. Weber
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, United States
Kathy S. Law
Sorbonne Université, UVSQ, CNRS, LATMOS-IPSL, Paris, France
Aix-Marseille Université, CNRS, LCE, Marseille, France
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Cited
Latest update: 24 Oct 2025
Short summary
Fairbanks is among the most polluted cities, with the highest particulate matter (PM) levels in the US during winters. Highly time-resolved measurements of the submicron PM found residential heating with wood and oil and hydrocarbon-like organics from traffic, as well as sulfur-containing aerosol, to be the key pollution sources. Remarkable differences existed between complementary instruments, warranting the deployment of multiple tools at sites, with wide-ranging influences.
Fairbanks is among the most polluted cities, with the highest particulate matter (PM) levels in...
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