Preprints
https://doi.org/10.5194/egusphere-2024-1004
https://doi.org/10.5194/egusphere-2024-1004
08 Apr 2024
 | 08 Apr 2024
Status: this preprint is open for discussion and under review for Atmospheric Measurement Techniques (AMT).

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

Kristen Okorn and Laura T. Iraci

Abstract. We reviewed 60 sensor networks and 15 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. This study is not exhaustive of every gas-phase sensor network on the globe, but rather exists to categorize types of sensor networks by their key characteristics and explore general trends. This also exposes gaps in monitoring efforts to date, especially regarding the availability of gas-phase measurements compared to particulate matter (PM), and geographic coverage gaps (the global south, rural areas). We categorize ground-based networks that measure gas-phase air pollutants into two main subsets based on their deployment type: quasi-permanent (long-term) and campaign (short to medium-term) and explore commonplace practices, strengths, and weaknesses of stationary monitoring networks. We conclude with a summary of cross-network unification and quality control efforts. This work aims to help scientists looking to build a sensor network explore best practices and common pathways, and aid end users in finding low-cost sensor datasets that meet their needs.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
Kristen Okorn and Laura T. Iraci

Status: open (until 20 Jun 2024)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on egusphere-2024-1004 [Labzovskii et al.]', Lev Labzovskii, 10 Apr 2024 reply
    • AC1: 'Reply on CC1', Kristen Okorn, 10 Apr 2024 reply
Kristen Okorn and Laura T. Iraci
Kristen Okorn and Laura T. Iraci

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Short summary
We reviewed 60 sensor networks and 15 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.