PM1: the smallest particles in the air

We all know that air pollution is bad for human health. New research indicates the smallest particles in the air are the most dangerous. To provide a healthy and productive indoor air environment, the focus should be put on filtering particles that are 1 μm (micrometre) or smaller in diameter – particles also known as PM1 (Particulate Matter 1). Watch this video to learn more about ePM1.

Virtual Reality: PM1

Try this video with a VR headset for the full effect!