It’s a shocking fact: Americans, on average, spend well over 90% of our time indoors. This means we’re constantly breathing indoor air, full of the recirculated germs someone else has sneezed out and the odors from last night’s fried fish or your teenager’s sneakers. Depending on the time of year, it’s not always possible to fling all the windows open and get some fresh air.
That means that your best bet for breathing air that’s free of pathogens and smelly bacteria is an air purifier. Ultraviolet light is an amazing way to purify air and kill all those germs. But are UV air purifiers safe? Here’s what you need to know.