Air Pollution Drops in China

New maps from NASA and the European Space Agency satellites show decreased levels of nitrogen dioxide in the air after the country was placed under quarantine guidelines. Nitrogen dioxide is released when fuel is burned, a practice which has decreased since the outbreak.
Cami Mondeaux, KSL NewsRadio

https://kslnewsradio.com/1921176/air-pollution-drops-in-china-after-covid-19-quarantine/