Air Quality Insights During COVID-19

This chapter explores the surprising air quality outcomes in Southern California during the COVID-19 lockdown, highlighting that reduced traffic only modestly decreased ozone levels. It examines the impact of industrial pollution sources, particularly from trucks and power plants in cities like Pittsburgh and Houston, revealing the complexity behind air quality challenges. The chapter also addresses the implications of regulatory changes by the EPA during the pandemic and emphasizes the need for more stringent measures to improve air quality.