CNET experts have tested dozens of air purifiers in our Louisville testing lab. Here's how we evaluate them to provide ...

Health experts also reveal how air purifiers work to prevent illness and where you should put them in your home.

Plus, this is how often you should run your air purifier, which fan speed is best and where to place it in your home. Anna Gragert (she/her/hers) was previously the lifestyle editor at HelloGiggles, ...