Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 1
Articles | Volume 26, issue 1
https://doi.org/10.5194/acp-26-733-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-733-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 1
Research article
 | 
15 Jan 2026
Research article |  | 15 Jan 2026

Global VOC emissions quantified from inversion of TROPOMI spaceborne formaldehyde and glyoxal data

Yasmine Sfendla, Trissevgeni Stavrakou, Jean-François Müller, Glenn-Michael Oomen, Beata Opacka, Thomas Danckaert, Isabelle De Smedt, and Christophe Lerot

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Short summary
Volatile organic compounds (VOC) emitted from industry, wildfires, fuel use and vegetation impact the climate and are detrimental to human health. To guide regulation aimed at mitigating their impacts, it is important to know their emissions. We used satellite observations of formaldehyde and glyoxal, combined with a chemical transport model, and demonstrate that VOC emissions are about 20 % larger than expected; furthermore, unknown chemical pathways must be invoked to explain the observations.
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