Though invisible itself, the air we breathe is a microcosm of identifiable pollen, fungal spores, viruses, dust particles, and fine particles of human pollution from everything from cars to asphalt sidewalks. It’s not something we should obsess over day to day, but as more people measure air quality on their own, many are getting readings they’d prefer to address. However, not everyone wants to buy an air purifier, which can cost several hundred dollars.
One proposed solution for at-home air filtration is to use readily available materials like cardboard, box fans, square HVAC filters, and everyone’s favorite building material: duct tape. I did a version of this myself for PopSci, and, though I have mixed feelings about the process, I’m overall satisfied with the result. Here, we’ll go through what I built, how I built it, and my overall conclusions after using it, along with resources for anyone interested in reading further.
Read Full Article: https://www.popsci.com/diy/how-to-build-an-air-purifier/
