COVID-19: change in air pollution Quito, Ecuador

From March 29 to April 7, 2020, nitrogen dioxide air pollution levels in Quito, Ecuador have decreased by 54 percent when compared to the first ten days of March, the highest reduction reported in the monitoring period. Approximately one month later, the city's pollution level showed a decrease of 34 percent in comparison to the baseline.

Nitrogen dioxide (NO₂) is a gaseous air pollutant and has a direct connection to fossil fuel emissions. Changes in air pollution levels are related to a reduction in industrial activity and traffic circulation in urban areas, a consequence of lockdown measures enforced globally in an attempt to limit the spread of the coronavirus pandemic. The first case of COVID-19 was reported in Ecuador on March 1, with a total lockdown implemented on March 22.

Change in nitrogen dioxide (NO₂) air pollution level in Quito, Ecuador from March to May 2020

Characteristic	Pollution level change*
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Release date

2020

More information

Region

Ecuador

Survey time period

March to May 2020

Special properties

*In comparison to the first ten days of March 2020

Supplementary notes

The air quality measures are based on modified Copernicus Sentinel satellite data. Figures are averaged over ten days, since concentrations vary from day to day due to changes in weather conditions.
Nitrogen dioxide (NO₂) is a gaseous air pollutant and has a direct connection to fossil fuel emissions.

The source does not specify the release date. The publication date is the date of access.
Additional information about the source's methodology can be found here.

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