presentationChanges in Travel and Air Quality in California During COVID-19Publication DateMay 13, 2021Associated Project Measuring Changes in Air Quality from Reduced Travel in Response to COVID-19Areas of Expertise Safety, Public Health, & Mobility Justice Travel Behavior, Land Use, & the Built Environment View presentationRelated Publications policy brief On-Road Motor Vehicles No Longer Dominate Ozone Formation research report Measuring Changes in Air Quality from Reduced Travel in Response to COVID-19 published journal article Direct measurements of ozone response to emissions perturbations in California