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Multiple studies have shown a dramatic improvement in air quality during the COVID-19 shutdown. The decrease in travel has played a significant role in the air quality improvements. Once travel restrictions are lifted and people go back to work full-time and start traveling again, the full impacts of how the air quality will suffer is still unknown.
There is a need to continue to monitor outdoor air quality as the economy reopens. In addition, indoor air quality is affected by outdoor air quality, and people are more concerned than ever about the quality of the air they are breathing indoors—whether it is inside their homes or in a work/school environment.
Read this report from the Centre for Research on Energy and Clean Air (CREA) to learn more.