Articles | Volume 21, issue 9
Atmos. Chem. Phys., 21, 7199–7215, 2021
https://doi.org/10.5194/acp-21-7199-2021

Special issue: Air Quality Research at Street-Level (ACP/GMD inter-journal...

Atmos. Chem. Phys., 21, 7199–7215, 2021
https://doi.org/10.5194/acp-21-7199-2021

Research article 11 May 2021

Research article | 11 May 2021

Mobile monitoring of urban air quality at high spatial resolution by low-cost sensors: impacts of COVID-19 pandemic lockdown

Shibao Wang et al.

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Latest update: 26 Nov 2021
Short summary
Mobile monitoring with low-cost sensors is a promising approach to garner high-spatial-resolution observations representative of the community scale. We develop a grid analysis method to obtain 50 m resolution maps of major air pollutants (CO, NO2, and O3) based on GIS technology. Our results demonstrate the sensing power of mobile monitoring for urban air pollution, which provides detailed information for source attribution and accurate traceability at the urban micro-scale.
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