Satellites see a worldwide decrease in nitrogen dioxide pollution as a result of the COVID-19 crisis, China shows first signs of economic recovery
The TROPOMI satellite instrument has detected decreases in nitrogen dioxide pollution worldwide during the lockdown. In some parts of China, nitrogen dioxide pollution seems to have increased again, rising even slightly higher than previous years.
The largest hole in the ozone layer ever recorded over the North Pole. Unusual meteorological conditions are responsible.
Reality is complex. Here are a few scientific facts about air pollution and air quality. Not all kinds of air pollution will decrease.
The lockdown of various cities in the Chinese province of Hubei has an impact on air quality, clearly perceptible from space.
Space-borne and ground-based instruments can detect such fires from space, as part of the Copernicus Earth Observation programme coordinated by the European Commission.
Dormant since 1924, the Raikoke Volcano in the Kuril Island chain, near the Kamchatka Peninsula in Russia, recently awoke. Copernicus Sentinel-5P and Sentinel-3 satellites are giving vital information.
The Danish ASIM experiment was installed on the outside of the European Columbus module of the ISS.