The purity of the air around me is not usually an issue.
Living here on the Sunshine Coast, I have come to take for granted the quality of the air I breathe. But that is outside. Inside, in my home, I had not given a lot of thought to what might be entering my respiration system. Then, a friend loaned me a very interesting air quality monitor that told me not all of my interior environment is what I might have thought.
There are areas of my house that contain high levels of particulates. By measuring these with the “Origins” device, I am now much more aware of the need for fresh air current in my study, my kitchen, and in places that tend to harbour stale air.
Here’s the site where you can learn more: