Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 19, issue 9
Articles | Volume 19, issue 9
https://doi.org/10.5194/amt-19-3063-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-3063-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 9
Research article
 | 
08 May 2026
Research article |  | 08 May 2026

Ground-based monitoring of nitrogen dioxide in Kumasi, Ghana, and its comparison with satellite observations

Bas Mijling, Benjamin Afotey, Tim Henrik Eckert, Magdalena Mairhofer, Águeda Gil Pascual, Emmanuel Yuorkuu, Philip Darko, Phiona Amakah, Klaas Folkert Boersma, and Prince Junior Asilevi

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Short summary
We established the first Palmes tube laboratory in Sub-Saharan Africa to monitor urban nitrogen dioxide (NO2) in Kumasi, Ghana. Our measurements reveal high surface NO2 levels that satellites underestimate, showing the importance of local measurements. This low-cost, scalable approach provides continuous local data and improves the interpretation of satellite observations, helping policymakers better understand and manage air quality in tropical cities.
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