Articles | Volume 20, issue 14
Atmos. Chem. Phys., 20, 8737–8761, 2020
https://doi.org/10.5194/acp-20-8737-2020

Special issue: In-depth study of air pollution sources and processes within...

Atmos. Chem. Phys., 20, 8737–8761, 2020
https://doi.org/10.5194/acp-20-8737-2020

Research article 23 Jul 2020

Research article | 23 Jul 2020

Measurements of traffic-dominated pollutant emissions in a Chinese megacity

Freya A. Squires et al.

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Short summary
Significant air quality problems exist in megacities like Beijing, China. To manage air pollution, legislators need a clear understanding of pollutant emissions. However, emissions inventories have large uncertainties, and reliable field measurements of pollutant emissions are required to constrain them. This work presents the first measurements of traffic-dominated emissions in Beijing which suggest that inventories overestimate these emissions in the region during both winter and summer.
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