Articles | Volume 17, issue 21
https://doi.org/10.5194/amt-17-6425-2024
https://doi.org/10.5194/amt-17-6425-2024
Review article
 | Highlight paper
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08 Nov 2024
Review article | Highlight paper |  | 08 Nov 2024

An overview of outdoor low-cost gas-phase air quality sensor deployments: current efforts, trends, and limitations

Kristen Okorn and Laura T. Iraci

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Cited articles

Abera, A., Mattisson, K., Eriksson, A., Ahlberg, E., Sahilu, G., Mengistie, B., Bayih, A. G., Aseffaa, A., Malmqvist, E., and Isaxon, C: Air pollution measurements and land-use regression in urban sub-Saharan Africa using low-cost sensors – Possibilities and pitfalls, Atmosphere, 11, 1357, https://doi.org/10.3390/atmos11121357, 2020. 
Adamu, A., Arifalo, K. M., and Abulude, F. O.: Indoor air quality assessment using a low-cost sensor: A case study in ikere-ekiti, nigeria, Engineering Proceedings, 58, 42, https://doi.org/10.3390/ecsa-10-16021, 2023. 
Afghah, F., Razi, A., Chakareski, J., and Ashdown, J.: Wildfire Monitoring in Remote Areas using Autonomous Unmanned Aerial Vehicles, in: IEEE INFOCOM 2019 - IEEE Conference on Computer Communications Workshops, Paris, France, 29 April–2 May 2019, IEEE, 835–840, https://doi.org/10.1109/INFCOMW.2019.8845309, 2019. 
Agrawal, G., Mohan, D., and Rahman, H.: Ambient air pollution in selected small cities in India: Observed trends and future challenges, IATSS Research, 45, 19–30, https://doi.org/10.1016/j.iatssr.2021.03.004, 2021. 
AGU: AGU Fall Meeting 2022, Chicago, IL, 12–16 December 2022, https://www.agu.org/fall-meeting-2022 (last access: 17 September 2023), 2022. 
Executive editor
I agree with the handling aditor that this is a very useful and comprehensive study and deserves wide attention.
Short summary
We reviewed 60 sensor networks and 17 related efforts (sensor review papers and data accessibility projects) to better understand the landscape of stationary low-cost gas-phase sensor networks deployed in outdoor environments worldwide. Gaps in monitoring efforts include the availability of gas-phase measurements compared to particulate matter (PM) and geographic coverage gaps (the Global South, rural areas). We conclude with a summary of cross-network unification and quality control efforts.
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