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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 17, issue 3
Atmos. Chem. Phys., 17, 1775–1789, 2017
https://doi.org/10.5194/acp-17-1775-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: East Asia emissions assessment (EA2)

Atmos. Chem. Phys., 17, 1775–1789, 2017
https://doi.org/10.5194/acp-17-1775-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 06 Feb 2017

Research article | 06 Feb 2017

Cleaning up the air: effectiveness of air quality policy for SO2 and NOx emissions in China

Ronald J. van der A et al.

Data sets

GOME-2/Metop-A SO2 data (version GDP 4.7) P. J. M. Valks http://atmos.caf.dlr.de/gome2/

DECSO NOx emissions (version 4) J. Ding, R. J. van der A, and B. Mijling http://www.globemission.eu/region_asia/datapage.php

Publications Copernicus
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Short summary
The SO2 concentrations and NOx emissions over China derived from satellite observations are compared with the national fossil fuel consumption and air quality regulations. It is shown that not only NO2 concentrations but also NOx emissions in all Chinese provinces decreased in the last 2 years. We conclude that without the air quality regulations the SO2 concentrations would be about 2.5 times higher and the NO2 concentrations would be at least 25 % higher than they are today in China.
The SO2 concentrations and NOx emissions over China derived from satellite observations are...
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