The Dimming of Lights in China during the COVID-19 Pandemic

The Payne Institute Earth Observation Group research on satellite surveys of the cumulative radiant emissions from electric lighting across China reveals a large radiance decline in lighting from December 2019 to February 2020—the peak of the lockdown established to suppress the spread of COVID-19 infections. To illustrate the changes, an analysis was also conducted on a reference set from a year prior to the pandemic.  September 7, 2020.