Some good news (possibly) and/or clutching at straws (copied over from Saving the Planet)
'strict confinement measures in China, where the coronavirus outbreak began, and in Italy, Europe’s most affected nation, have led to falls in air pollution as fewer vehicles are driven and industrial emissions fall. A preliminary calculation by a US expert suggests that tens of thousands of premature deaths from air pollution may have been avoided by the cleaner air in China, far higher than the 3,208 coronavirus deaths.'
https://www.theguardian.com/environment/2020/mar/17/air-pollution-likely-to-increase-coronavirus-death-rate-warn-experts