I've wondered about this question a lot too because sometimes the skies are gloriously blue here in Beijing after a rain. I read up on some studies of rain and air pollution, and my conclusions from that research are: 1. read more
I’ve wondered about this question a lot too because sometimes the skies are gloriously blue here in Beijing after a rain. I read up on some studies of rain and air pollution, and my conclusions from that research are: 1. read more
Plus, low pressure systems (what usually causes rain) will have pollution forming in front of the system and once the system passes through it will take the air pollution with it. And the high pressure system that comes will have less pollution (typically). read more