As of Monday April 6, 2020, According to IQAir’s city rankings, Los Angeles had the cleanest air of any major city in the world.
It is followed by San Francisco, Portland, Ore., Sydney, Australia and Moscow, Russia.
Los Angeles has the cleanest air of any major city in the world.
Supporting this claim the World Air Quality Index Project also places Los Angeles atop the list for cleanest air.
The most likely solution for this is so many people sheltering in place, fewer cars are on the road.
Human activity has slowed down around the world, with fewer airplanes in the sky and less tranportation and activity across the board.
The dirtiest air in the world right now can be found in Taiwain, China and India.