Fig. 11
From: Current and near-term advances in Earth observation for ecological applications
TROPOMI (S-5P) data showing changes observed in tropospheric NO2 over urban areas during the COVID-19 outbreak compared to the same period in the previous year. (From: the Royal Belgian Institute for Sapce Aeronomy (BIRA-IASB), in collaboration with the Royal Netherlands Meteorological Institute (KNMI) and the European Space Agency.https://www.aeronomie.be/en, then clicking on: "Satellites see a worldwide decrease in nitrogen dioxide pollution as a result of the COVID-19 crisis, China shows first signs of economic recovery''. Modified S-5P data, press release after Bauwens et al. 2020 was published on May 8, 2020. Accessed September 6, 2020