Marais, Eloise AnnWei, NanaTan, Eric Y.P.Lu, GongdaKeita, SekouNaidoo, MogeshGarland, Rebecca M.2026-04-152026-04-152026-02Marais, E. A., Wei, N., Tan, E. Y. P., Lu, G., Keita, S., Naidoo, M., & Garland, R. M. (2026). Urban and power plant NOx emissions in Sub-Saharan Africa inferred from TROPOMI. Journal of Geophysical Research: Atmospheres, 131, e2025JD045870: 1-15. https://doi.org/10.1029/2025JD045870.2169-897X (print)2169-8996 (online)10.1029/2025JD045870http://hdl.handle.net/2263/109576DATA AVAILABILITY STATEMENT : The bottom-up annual anthropogenic NOx emissions from the northeast South Africa inventory for 2019 and the DACCIWA inventory for 2018 are available for download from the UCL Research Data Repository (https://doi.org/10.5522/04/30530147) (Marais, Naidoo, & Keita, 2025). The GEOS-Chem source code used in this work is available for download from Zenodo (The International GEOS-Chem User Community, 2021). ERRATUM : The originally published version of this article contained an error in the heading for Section 2.2. “TROPOMI NO2 Data and Hotspot Selection” has been corrected to the following: “Top-Down Estimates of Hotspot NOx Emissions.” This may be considered the authoritative version of record.Please read abstract in the article.en© 2026. The Author(s). This is an open access article under the terms of the Creative Commons Attribution License.AfricaNitrogen oxidesTROPOMIEmission inversionSub-Saharan Africa (SSA)Urban and power plant NOx emissions in Sub-Saharan Africa inferred from TROPOMIArticle