COVID-19: change in air pollution São Paulo, Brazil

From April 12 to April 21, 2020, nitrogen dioxide air pollution levels in São Paulo, Brazil have decreased by 27 percent when compared to the first ten days of March, the highest reduction reported in the monitoring period. Nitrogen dioxide (NO₂) is a gaseous air pollutant and has a direct connection to fossil fuel emissions. In the following week, however, the city's pollution level was eight percent above the baseline.

Changes in air pollution levels are related to a reduction in industrial activity and traffic circulation in urban areas, a consequence of partial lockdown measures enforced in Brazil in an attempt to limit the spread of the coronavirus pandemic. The first case of the disease was reported in the South American country on February 26, with social distancing measures being implemented on March 19.

Change in nitrogen dioxide (NO₂) air pollution level in São Paulo, Brazil from March to May 2020

Characteristic	Pollution level change*
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Release date

2020

More information

Region

Brazil

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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