Articles | Volume 26, issue 12
https://doi.org/10.5194/acp-26-8425-2026
© 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-26-8425-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
17 Jun 2026
Research article |
| 17 Jun 2026
| 17 Jun 2026
Gas-particle partitioning, molecular weight, and yield of organic nitrate under different urban VOC, NOx, and oxidation conditions during SAPHIR-CHANEL campaign
Farhan R. Nursanto
CORRESPONDING AUTHOR
Department of Environmental Sciences, Wageningen University, 6708 PB Wageningen, the Netherlands
Quanfu He
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
now at: Earth, Ocean and Atmospheric Sciences Thrust, Function Hub, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, 511453, China
Sophia van de Wouw
Department of Environmental Sciences, Wageningen University, 6708 PB Wageningen, the Netherlands
Annika Zanders
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Thorsten Hohaus
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Willem S. J. Kroese
Department of Physics, Institute for Marine and Atmospheric Research Utrecht, Utrecht University, Princetonplein 5, 3584CC, Utrecht, the Netherlands
Robert Wegener
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Max Gerrit Adam
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Benjamin Winter
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
René Dubus
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Lukas Kesper
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Franz Rohrer
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Yuwei Wang
Department of Earth and Environmental Sciences, Centre for Atmospheric Science, University of Manchester, Manchester M13 9PL, United Kingdom
Emily Matthews
Department of Earth and Environmental Sciences, Centre for Atmospheric Science, University of Manchester, Manchester M13 9PL, United Kingdom
Aristeidis Voliotis
Department of Earth and Environmental Sciences, Centre for Atmospheric Science, University of Manchester, Manchester M13 9PL, United Kingdom
National Centre for Atmospheric Science, University of Manchester, Manchester M13 9PL, United Kingdom
Thomas J. Bannan
Department of Earth and Environmental Sciences, Centre for Atmospheric Science, University of Manchester, Manchester M13 9PL, United Kingdom
Gordon McFiggans
Department of Earth and Environmental Sciences, Centre for Atmospheric Science, University of Manchester, Manchester M13 9PL, United Kingdom
Department of Earth and Environmental Sciences, Centre for Atmospheric Science, University of Manchester, Manchester M13 9PL, United Kingdom
National Centre for Atmospheric Science, University of Manchester, Manchester M13 9PL, United Kingdom
Yizhen Wu
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Milan Roska
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Manjula Canagaratna
Aerodyne Research Inc., Billerica, Massachusetts 01821, USA
Mitch Alton
Aerodyne Research Inc., Billerica, Massachusetts 01821, USA
Matthew M. Coggon
Chemical Sciences Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO, 80305, USA
Chelsea E. Stockwell
Chemical Sciences Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO, 80305, USA
Kelvin H. Bates
Chemical Sciences Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO, 80305, USA
Department of Mechanical Engineering, University of Colorado, Boulder, CO, 80305, USA
Eva Y. Pfannerstill
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Institute of Geophysics and Meteorology, University of Cologne, Cologne, 50969, Germany
Sören R. Zorn
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Matthieu Riva
Université Claude Bernard Lyon 1 CNRS, IRCELYON 69626, Villeurbanne, France
Sebastien Perrier
Université Claude Bernard Lyon 1 CNRS, IRCELYON 69626, Villeurbanne, France
Boxing Yang
PSI Center for Energy and Environmental Sciences, Paul Scherrer Institute, Villigen, Switzerland
PSI Center for Energy and Environmental Sciences, Paul Scherrer Institute, Villigen, Switzerland
Anna Novelli
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Michelle Färber
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Hendrik Fuchs
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Department of Physics, University of Cologne, Cologne, 50923, Germany
Andrea Carolina Marcillo Lara
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Achim Grasse
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Christian Wesolek
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Ralf Tillmann
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Rupert Holzinger
Department of Physics, Institute for Marine and Atmospheric Research Utrecht, Utrecht University, Princetonplein 5, 3584CC, Utrecht, the Netherlands
Maarten C. Krol
Department of Environmental Sciences, Wageningen University, 6708 PB Wageningen, the Netherlands
Department of Physics, Institute for Marine and Atmospheric Research Utrecht, Utrecht University, Princetonplein 5, 3584CC, Utrecht, the Netherlands
Georgios I. Gkatzelis
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich, Jülich, 52428, Germany
Department of Environmental Sciences, Wageningen University, 6708 PB Wageningen, the Netherlands
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Short summary
Urban air contains reactive gases that can form organic nitrate particles and carry nitrogen oxides pollution far from cities. We recreated urban emissions in a large atmospheric chamber and observed their reactions under day and night conditions. We found that these emissions form organic nitrate particles similar to those from natural sources, with higher amounts and heavier particles at night, making nitrogen pollution longer lived and likely to travel further before depositing on ecosystems.
Urban air contains reactive gases that can form organic nitrate particles and carry nitrogen...
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