Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 18, issue 21
Articles | Volume 18, issue 21
https://doi.org/10.5194/amt-18-6021-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-6021-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 21
Research article
 | 
03 Nov 2025
Research article |  | 03 Nov 2025

Urban pollution monitoring with the AOTF-based NO2 camera: validation with other DOAS instruments

Pierre Gramme, Cedric Busschots, Emmanuel Dekemper, Didier Pieroux, Noel Baker, Stefano Casadio, Anna Maria Iannarelli, Nicola Ferrante, Annalisa Di Bernardino, Paolo Pettinari, Elisa Castelli, Luca Di Liberto, and Francesco Cairo

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Short summary
We present a new remote sensing instrument using hyperspectral imaging to observe the variability in space and time of the nitrogen dioxide concentration. We also show the results of its validation campaign in a challenging urban setting in Rome, showing very good agreement with two reference instruments. Having an imaging instrument rather than the currently state-of-the-art unidirectional spectrometers brings promising capability in the context of satellite product validation.
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