Articles | Volume 25, issue 9
https://doi.org/10.5194/acp-25-4907-2025
© 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-25-4907-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Measurement report
| 
09 May 2025
Measurement report |
| 09 May 2025
| 09 May 2025
Measurement report: Wintertime aerosol characterization at an urban traffic site in Helsinki, Finland
Kimmo Teinilä
CORRESPONDING AUTHOR
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Sanna Saarikoski
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Henna Lintusaari
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland
Teemu Lepistö
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland
Petteri Marjanen
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland
Minna Aurela
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Heidi Hellén
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Toni Tykkä
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Markus Lampimäki
Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland
Janne Lampilahti
Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland
Luis Barreira
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Timo Mäkelä
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Leena Kangas
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Juha Hatakka
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Sami Harni
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Joel Kuula
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Jarkko V. Niemi
Helsinki Region Environmental Services Authority (HSY), Helsinki, Finland
Harri Portin
Helsinki Region Environmental Services Authority (HSY), Helsinki, Finland
Jaakko Yli-Ojanperä
Vaisala Oyj, Helsinki, Finland
now at: University Association of South Ostrobothnia, Seinäjoki, Finland
Ville Niemelä
Dekati Ltd, Kangasala, Finland
Milja Jäppi
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland
Katrianne Lehtipalo
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland
Joonas Vanhanen
Airmodus Ltd, Erik Palménin aukio 1, 00560 Helsinki, Finland
Liisa Pirjola
Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland
Department of Automotive and Mechanical Engineering, Metropolia University of Applied Sciences, Vantaa, Finland
Hanna E. Manninen
Helsinki Region Environmental Services Authority (HSY), Helsinki, Finland
Tuukka Petäjä
Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland
Topi Rönkkö
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland
Hilkka Timonen
Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
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Cited
Latest update: 26 Jun 2025
Short summary
Physical and chemical properties of particulate matter and concentrations of trace gases were measured in a street canyon in Helsinki, Finland, and an urban background site in January–February 2022 to investigate the effect of wintertime conditions on pollutants. State-of-the-art instruments and a mobile laboratory were used, and the measurement data were analysed further with modelling tools like positive matrix factorization and the Pollution Detection Algorithm.
Physical and chemical properties of particulate matter and concentrations of trace gases were...
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