Usually when you can’t see something, you forget about it. Air is something that we can’t see, but we know for certain that it is there. As humans, we all need oxygen to breathe, unless you are from a different planet, of course. We don’t always think about the type of air quality that we are ingesting into our lungs and body. Surprisingly, it is known that indoor air can be up to 70 times more polluted than the air outside. Most people spend the majority of their time indoors.