Figure
Average percentage change in NO2 pollution levels during the period 15th March to 30th April, due to the COVID-19 lockdown in agglomerations with more than 0.5 million inhabitants, based on satellite observations
Figure
Created 26 Oct 2020
Published 26 Oct 2020
Last modified 26 Oct 2020
1
min read
Topics:
Air pollution
The map shows the average percentage change in NO2 pollution levels from NO2 TROPOMI satellite observations during the period 15th March to 30th April, comparing the observations under the COVID-19 lockdown to the business-as-usual scenario, in European agglomerations with more than half a million inhabitants. The gradient boosting regressor machine learning technique was used to simulate a business as usual (BAU) NO2 tropospheric columns satellite observations.
European data
Metadata
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Units:
% (change of concentrations)
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Rights:
- EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
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Owners:
- European Environment Agency (EEA)
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Processors:
- European Centre for Medium-Range Weather Forecasts (ECMWF)
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Figure type:
- Map
Additional information
Temporal coverage: 15 March - 30 April 2020
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Geographic coverage
Temporal coverage
2020
For references, please go to https://www.eea.europa.eu/data-and-maps/figures/average-percentage-change-in-no2 or scan the QR code.
PDF generated on 22 Oct 2021, 06:41 AM
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Topics:
Air pollution
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