CAMS contribution to the study of air pollution links to COVID-19
Peuch, Vincent-Henri
From the early days of the COVID-19 pandemic, air pollution has emerged as an area of strong scientific and general public interest. Air pollution has indeed been one of the most visible markers of the effect of lockdown measures. This has taken the form of a substantial observed decrease in the concentrations of certain pollutants like nitrogen dioxide (NO2) or fine Particulate Matter PM2.5 and PM10 (particles finer than 2.5 micrometres and 10 micrometres respectively). In particular, the measurements of the Copernicus Sentinel-5P TROPOMI satellite instrument, as reported by the Copernicus Atmosphere Monitoring Service (CAMS), the Royal Netherlands Meteorological Institute (KNMI) and the European Space Agency (ESA), have had a prominent place in the media. They showed fairly abrupt changes in different parts of the world as restriction measures were enforced or lifted. CAMS data have also been used in epidemiological studies and have been supporting the World Meteorological Organization's Global Atmospheric Watch programme in organising international efforts.</p>
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