Aerosol Research
Aerosol Research
Aerosol Research
Articles | Volume 3, issue 1
Articles | Volume 3, issue 1
https://doi.org/10.5194/ar-3-205-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ar-3-205-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 3, issue 1
Research article
 | 
22 Apr 2025
Research article |  | 22 Apr 2025

Emission dynamics of reactive oxygen species and oxidative potential in particles from a petrol car and wood stove

Battist Utinger, Alexandre Barth, Andreas Paul, Arya Mukherjee, Steven John Campbell, Christa-Maria Müller, Mika Ihalainen, Pasi Yli-Pirilä, Miika Kortelainen, Zheng Fang, Patrick Martens, Markus Somero, Juho Louhisalmi, Thorsten Hohaus, Hendryk Czech, Olli Sippula, Yinon Rudich, Ralf Zimmermann, and Markus Kalberer

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Short summary
The oxidative potential (OP) of air pollution particles might be a metric explaining particle toxicity. This study quantifies the OP of fresh and aged car and wood burning emission particles and explores how the OP changes over time, using novel high-temporal-resolution instruments. We show that emissions from wood burning are more toxic than car exhaust per unit particle mass, especially as they age in the atmosphere. We also calculate emission factors for the OP, which could help to improve air pollution policies.
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