Articles | Volume 15, issue 3
Atmos. Chem. Phys., 15, 1205–1220, 2015
https://doi.org/10.5194/acp-15-1205-2015

Special issue: Monitoring atmospheric composition and climate, research in...

Atmos. Chem. Phys., 15, 1205–1220, 2015
https://doi.org/10.5194/acp-15-1205-2015

Research article 03 Feb 2015

Research article | 03 Feb 2015

Recent satellite-based trends of tropospheric nitrogen dioxide over large urban agglomerations worldwide

P. Schneider et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Philipp Schneider on behalf of the Authors (21 Dec 2014)  Author's response
ED: Publish as is (06 Jan 2015) by Richard Engelen
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Short summary
We use a homogeneous 10-year record of satellite data to study recent trends in NO2 over the world's major urban agglomerations. The results indicate distinct spatial patterns in trends, with moderate but consistent reductions in NO2 throughout most developed countries and rapid increases of up to 15 % per year over many sites in Asia, Africa, and South America. We also show links between urban NO2 trends and economic as well as demographic factors, and how the latter drive regional differences.
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