Articles | Volume 19, issue 21
https://doi.org/10.5194/amt-19-7199-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-7199-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
11 Nov 2026
Research article |
| 11 Nov 2026
| 11 Nov 2026
Evaluating low-cost NDIR CO2 sensors for atmospheric observations in rural settings
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom
Paolo Cicuta
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom
Rachel H. Georgiou
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom
Lawrence Tom
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom
Ray Freshwater
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom
Kelsey Leet
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom
Chiara Giorio
CORRESPONDING AUTHOR
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom
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Short summary
Low-cost CO2 sensors are widely used in cities, but their use in rural environments remains limited. This study shows that, after correcting for environmental effects such as temperature and pressure, these sensors can reliably measure CO2 in agricultural landscapes. The corrected sensors closely matched high-quality reference instruments and successfully captured daily and seasonal changes in rural CO2, demonstrating their potential for long-term climate and land-use monitoring.
Low-cost CO2 sensors are widely used in cities, but their use in rural environments remains...
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