Shanghai under lockdown since 01 April 2022, China
Sentinel-1 CSAR IW acquired on 09 March 2022 from 09:54:59 to 09:55:00 UTC
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Sentinel-5P TROPOMI NO2 acquired on 01 April 2022 at 04:52:18 UTC
Sentinel-1 CSAR IW acquired on 14 April 2022 at 09:55:00 UTC
Sentinel-5P TROPOMI NO2 acquired on 11 May 2022 from 04:31:20 to 06:16:20 UTC
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Sentinel-5P TROPOMI NO2 acquired on 01 April 2022 at 04:52:18 UTC
Sentinel-1 CSAR IW acquired on 14 April 2022 at 09:55:00 UTC
Sentinel-5P TROPOMI NO2 acquired on 11 May 2022 from 04:31:20 to 06:16:20 UTC
Keyword(s): Pollution, atmosphere, marine traffic, infrastructure, health, China
The average NO2 concentration has been computed above Shanghai during one month of total lockdown in the city (11 April to 11 May 2022). Its shows lower values above Shanghai compared to other, smaller, Chinese megalopolis. This lower urban pollution can be attributed to a lockdown-related reduction of NO2 emissions.