News Headline

Air pollution returning to pre-COVID levels

Source
Phys.org

Publication Date
2021-03-16

In early 2020, data from satellites were used to show a decline in air pollution coinciding with nationwide lockdowns put in place to stop the spread of COVID-19. One year later, as lockdown restrictions loosen in some countries and regular activity resumes, nitrogen dioxide levels are bouncing back to pre-COVID levels.

Content
https://phys.org/news/2021-03-air-pollution-pre-covid.html