Articles | Volume 21, issue 3
Atmos. Chem. Phys., 21, 1613–1625, 2021
https://doi.org/10.5194/acp-21-1613-2021

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

Atmos. Chem. Phys., 21, 1613–1625, 2021
https://doi.org/10.5194/acp-21-1613-2021

Research article 08 Feb 2021

Research article | 08 Feb 2021

Low-NO atmospheric oxidation pathways in a polluted megacity

Mike J. Newland et al.

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Latest update: 08 Dec 2021
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Short summary
We report the formation of secondary pollutants in the urban megacity of Beijing that are typically associated with remote regions such as rainforests. This is caused by extremely low levels of nitric oxide (NO), typically expected to be high in urban areas, observed in the afternoon. This work has significant implications for how we understand atmospheric chemistry in the urban environment and thus for how to implement effective policies to improve urban air quality.
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