I think this page sums it up in a helpful way: https://thewirecutter.com/reviews/best-air-purifier/ https://thewirecutter.com/reviews/best-air-purifier/ Whatev

I think this page sums it up in a helpful way: https://thewirecutter.com/reviews/best-air-purifier/ https://thewirecutter.com/reviews/best-air-purifier/ Whatever you think of the wirecutter’s picks and impartiality or lack thereof, I find the parts where they explain what matters in any given product category and how they picked helpful in educating myself. I see they recently updated this particular one in light of the virus (I read this article a few years ago and there were no coronavirus concerns then)