COVID 19 Effect: Ground level ozone is increasing says a study
Levels of two major air pollutants have been drastically reduced since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant — ground-level ozone — has increased in China, according to new research. Two new studies in AGU’s journal Geophysical Research Letters find nitrogen dioxide pollution over northern China, Western Europe and the U.S. decreased […]