Variability of NO2 concentrations over China and effect on air quality derived from satellite and ground-based observations
Cheng Fan,Zhengqiang Li,Ying Li,Jiantao Dong,Ronald van der A,and Gerrit de Leeuw
Cheng Fan
State Environment Protection Key Laboratory of Satellite Remote
Sensing, Aerospace Information Research Institute, Chinese Academy of
Sciences, Beijing 100101, China
University of Chinese Academy of Sciences, Beijing 100049, China
Zhengqiang Li
State Environment Protection Key Laboratory of Satellite Remote
Sensing, Aerospace Information Research Institute, Chinese Academy of
Sciences, Beijing 100101, China
State Environment Protection Key Laboratory of Satellite Remote
Sensing, Aerospace Information Research Institute, Chinese Academy of
Sciences, Beijing 100101, China
Royal Netherlands Meteorological Institute (KNMI), R&D Satellite
Observations, 3731GA De Bilt, the Netherlands
Nanjing University of Information Science and Technology (NUIST),
School of Atmospheric Physics, No. 219, Ningliu Road, Nanjing, Jiangsu, China
China University of Mining and Technology (CUMT), School of Environment
Science and Spatial Informatics, Xuzhou, Jiangsu 221116, China
Viewed
Total article views: 3,868 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
2,740
1,040
88
3,868
94
115
HTML: 2,740
PDF: 1,040
XML: 88
Total: 3,868
BibTeX: 94
EndNote: 115
Views and downloads (calculated since 05 Nov 2020)
Cumulative views and downloads
(calculated since 05 Nov 2020)
Total article views: 3,307 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
2,474
752
81
3,307
87
106
HTML: 2,474
PDF: 752
XML: 81
Total: 3,307
BibTeX: 87
EndNote: 106
Views and downloads (calculated since 20 May 2021)
Cumulative views and downloads
(calculated since 20 May 2021)
Total article views: 561 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
266
288
7
561
7
9
HTML: 266
PDF: 288
XML: 7
Total: 561
BibTeX: 7
EndNote: 9
Views and downloads (calculated since 05 Nov 2020)
Cumulative views and downloads
(calculated since 05 Nov 2020)
Viewed (geographical distribution)
Total article views: 3,868 (including HTML, PDF, and XML)
Thereof 3,868 with geography defined
and 0 with unknown origin.
Total article views: 3,307 (including HTML, PDF, and XML)
Thereof 3,307 with geography defined
and 0 with unknown origin.
Total article views: 561 (including HTML, PDF, and XML)
Thereof 561 with geography defined
and 0 with unknown origin.
Emission control policy in China has resulted in the decrease of nitrogen dioxide concentrations, which however leveled off and stabilized in recent years, as shown from satellite data. The effects of the further emission reduction during the COVID-19 lockdown in 2020 resulted in an initial improvement of air quality, which, however, was offset by chemical and meteorological effects. The study shows the regional dependence over east China, and results have a wider application than China only.
Emission control policy in China has resulted in the decrease of nitrogen dioxide...
