Articles | Volume 20, issue 19
https://doi.org/10.5194/acp-20-11329-2020
© Author(s) 2020. 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-20-11329-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
05 Oct 2020
Research article |
| 05 Oct 2020
| 05 Oct 2020
Size-resolved particle number emissions in Beijing determined from measured particle size distributions
Jenni Kontkanen
CORRESPONDING AUTHOR
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for
Soft Matter Science and Engineering, Beijing University of Chemical
Technology, Beijing, China
Institute for Atmospheric and Earth System Research (Physics), Faculty
of Science, University of Helsinki, Helsinki, Finland
Chenjuan Deng
State Key Joint Laboratory of Environmental Simulation and Pollution
Control, School of Environment, Tsinghua University, Beijing, China
Yueyun Fu
State Key Joint Laboratory of Environmental Simulation and Pollution
Control, School of Environment, Tsinghua University, Beijing, China
Lubna Dada
Institute for Atmospheric and Earth System Research (Physics), Faculty
of Science, University of Helsinki, Helsinki, Finland
Ying Zhou
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for
Soft Matter Science and Engineering, Beijing University of Chemical
Technology, Beijing, China
Jing Cai
Institute for Atmospheric and Earth System Research (Physics), Faculty
of Science, University of Helsinki, Helsinki, Finland
Kaspar R. Daellenbach
Institute for Atmospheric and Earth System Research (Physics), Faculty
of Science, University of Helsinki, Helsinki, Finland
Simo Hakala
Institute for Atmospheric and Earth System Research (Physics), Faculty
of Science, University of Helsinki, Helsinki, Finland
Tom V. Kokkonen
Institute for Atmospheric and Earth System Research (Physics), Faculty
of Science, University of Helsinki, Helsinki, Finland
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University,
Nanjing, China
Zhuohui Lin
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for
Soft Matter Science and Engineering, Beijing University of Chemical
Technology, Beijing, China
Yongchun Liu
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for
Soft Matter Science and Engineering, Beijing University of Chemical
Technology, Beijing, China
Yonghong Wang
Institute for Atmospheric and Earth System Research (Physics), Faculty
of Science, University of Helsinki, Helsinki, Finland
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for
Soft Matter Science and Engineering, Beijing University of Chemical
Technology, Beijing, China
Institute for Atmospheric and Earth System Research (Physics), Faculty
of Science, University of Helsinki, Helsinki, Finland
Tuukka Petäjä
Institute for Atmospheric and Earth System Research (Physics), Faculty
of Science, University of Helsinki, Helsinki, Finland
Jingkun Jiang
State Key Joint Laboratory of Environmental Simulation and Pollution
Control, School of Environment, Tsinghua University, Beijing, China
Markku Kulmala
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for
Soft Matter Science and Engineering, Beijing University of Chemical
Technology, Beijing, China
Institute for Atmospheric and Earth System Research (Physics), Faculty
of Science, University of Helsinki, Helsinki, Finland
Pauli Paasonen
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for
Soft Matter Science and Engineering, Beijing University of Chemical
Technology, Beijing, China
Institute for Atmospheric and Earth System Research (Physics), Faculty
of Science, University of Helsinki, Helsinki, Finland
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Latest update: 06 Dec 2025
Short summary
To estimate the impacts of atmospheric aerosol particles on air quality, knowledge of size distributions of particles emitted from anthropogenic sources is needed. We introduce a new method for determining size-resolved particle number emissions from measured particle size distributions. We apply our method to data measured in Beijing, China. We find that particle number emissions at our site are dominated by emissions of particles smaller than 30 nm, originating mainly from traffic.
To estimate the impacts of atmospheric aerosol particles on air quality, knowledge of size...
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