Smog: It’s a China Thing
PM2.5 are fine particles of air pollution smaller than 2.5 micrometers — small enough that they can pass through our body’s filters and enter our lungs and cells. In fact, PM2.5 pollutants can be touched, tasted, and obviously seen whenever you look out the window at a Shanghai skyline or a Beijing avenue. Smog and urbanization go hand-in-hand around the world, and China is certainly no exception.…