LA, CA currently has the cleanest air in the world. All due to the “Stay-at-home” orders; which means less activity, less cars & trucks & more.
Further Reading:
losangeles.cbs/local.com/2020/04/06/la-has-the-cleanest-air-in-the-world-report-says/
https://www.msn.com/en-us/video/watch/la-has-the-cleanest-air-in-the-world-report-says/vi-BB12fq4n
https://www.armenianbd.com/news/view/la-has-the-cleanest-air-in-the-world-report-says.html
https://news.yahoo.com/la-cleanest-air-world-report-025344676.html
StarWolf Geek 