Emissions of nitrogen dioxide in the northeast US during the 2020 COVID-19 lockdown

Authored by C2SMART researchers Masoud Ghandehari, professor, and Shams Azad, Ph.D. fellow, this study was published in the Journal of Environmental Management. This research measures the ambient NO2 concentration using satellite and ground sensors and demonstrates that COVID-induced NO2 reduction was equivalent to 5 months of policy-driven reduction.