Articles | Volume 12, issue 8
https://doi.org/10.5194/amt-12-4643-2019
https://doi.org/10.5194/amt-12-4643-2019
Research article
 | 
30 Aug 2019
Research article |  | 30 Aug 2019

Characterising low-cost sensors in highly portable platforms to quantify personal exposure in diverse environments

Lia Chatzidiakou, Anika Krause, Olalekan A. M. Popoola, Andrea Di Antonio, Mike Kellaway, Yiqun Han, Freya A. Squires, Teng Wang, Hanbin Zhang, Qi Wang, Yunfei Fan, Shiyi Chen, Min Hu, Jennifer K. Quint, Benjamin Barratt, Frank J. Kelly, Tong Zhu, and Roderic L. Jones

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Cited articles

Alphasense Ltd: Alphasense Application Note AAN 104: How Electrochemical Gas Sensors Work, available at: http://www.alphasense.com/WEB1213/wp-content/uploads/2013/07/AAN_104.pdf (last access: 22 August 2019), 2013a. 
Alphasense Ltd: Alphasense Application Note AAN 110 Environmental changes: temperature, pressure, humidity, available at: http://www.alphasense.com/WEB1213/wp-content/uploads/2013/07/AAN_110.pdf (last access: 22 August 2019), 2013b. 
Alphasense Ltd: Technical specification, NO-A4 Nitric Oxide Sensor 4-Electrode, available at: http://www.alphasense.com/WEB1213/wp-content/uploads/2016/03/NO-A4.pdf (last access: 22 August 2019), 2016a. 
Alphasense Ltd: Technical specification, NO2-A43F Nitrogen Dioxide Sensor 4-Electrode, available at: http://www.alphasense.com/WEB1213/wp-content/uploads/2018/12/NO2A43F.pdf (last access: 22 August 2019), 2016b. 
Alphasense Ltd: Technical specification, CO-A4 Carbon Monoxide Sensor 4-Electrode, available at: http://www.alphasense.com/WEB1213/wp-content/uploads/2017/01/COA4.pdf (last access: 22 August 2019), 2017a. 
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Short summary
This study validates the performance of a personal air quality monitor that integrates miniaturised sensors that measure physical and chemical parameters. Overall, the air pollution sensors showed excellent agreement with standard instrumentation in outdoor, indoor and commuting environments across seasons and different geographical settings. Hence, novel sensing technologies like the ones demonstrated here can revolutionise health studies by providing highly resolved reliable exposure metrics.