Chinese economy slowly restarts

Sentinel-5P TROPOMI NO2 acquired on 29 December 2018 at 05:18:45 UTC
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Sentinel-5P TROPOMI NO2 acquired on 16 February 2020 at 05:58:53 UTC
Sentinel-5P TROPOMI NO2 acquired on 15 March 2020 at 05:33:45 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Atmosphere, pollution, urban, industry, transport, health, China
Fig. 1 - S5P TROPOMI (mean 29.12.2018-02.01.2019) - NO2 tropospheric column - NO2 pollution during a period of usual activity.
2D view
Fig. 2 - Mean 16-23.02.2020 - In early February, several Chinese cities & provinces were put under lockdown to limit the spread of covid-19.
2D view
While the air was cleaner than it has been recorded for decades, pollution remains visible over the city of Chongqing & Jilin Province.
Fig. 3 - Difference 22.02.2020 - 02.01.2019 - Increases in NO2 on 22.02.2020 compared to 02.01.2019 show in red, decreases in blue.
2D view
Fig. 4 - Mean 04-15.03.2020 - After weeks of lockdown, Chinese economy slowly restarts as shown by air pollution.
2D view
The views expressed herein can in no way be taken to reflect the official opinion of the European Space Agency or the European Union.
Contains modified Copernicus Sentinel data 2024, processed by VisioTerra.
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