Articles | Volume 21, issue 4
Atmos. Chem. Phys., 21, 2917–2929, 2021
https://doi.org/10.5194/acp-21-2917-2021

Special issue: Air quality research at street level (ACP/GMD inter-journal...

Atmos. Chem. Phys., 21, 2917–2929, 2021
https://doi.org/10.5194/acp-21-2917-2021
Research article
26 Feb 2021
Research article | 26 Feb 2021

Large-eddy simulation of traffic-related air pollution at a very high resolution in a mega-city: evaluation against mobile sensors and insights for influencing factors

Yanxu Zhang et al.

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Latest update: 19 May 2022
Short summary
Urban air quality varies drastically at street scale, but traditional methods are too coarse to resolve it. We develop a 10 m resolution air quality model and apply it for traffic-related carbon monoxide air quality in Nanjing megacity. The model reveals a detailed geographical dispersion pattern of air pollution in and out of the road network and agrees well with a validation dataset. The model can be a vigorous part of the smart city system and inform urban planning and air quality management.
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