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MAP: Spain's coronavirus lockdown brings dramatic drop in pollution

The Local Spain
The Local Spain - [email protected]
MAP: Spain's coronavirus lockdown brings dramatic drop in pollution

One silver-lining during the coronavirus is that the tight restrictions imposed in Spain are already having dramatically positive results on pollution levels.

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As Spain enters its third week of lockdown where heavy industry has stalled and people are confined to their homes it may come as small consolation to know that pollution levels have noticeably declined.

Satellite images charting nitrogen dioxide concentrations over Spain reveal just how much cleaner air has become in Spain’s cities since the lockdown began.

Using images taken by the Copernicus Sentinel-5P satellite, which orbits at 800km from the earth’s surface, the maps were produced by the Royal Netherlands Meteorological Institute (KNMI).

The maps below shows the comparison between air quality for the 12 days (March 14 to March 25 after the restrictions were put in place by the Spanish government on March 13compared to the monthly average for March 2019.

These images using data from the Copernicus Sentinel-5P satellite, shows the average nitrogen dioxide concentrations from 14th to 25 thMarch 2020, compared to the monthly average concentrations from 2019.

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