The Dreo HEPA Air Purifier typically retails for $180, but you can catch it on sale for just $66 during Walmart Deals week. It's small enough to fit practically anywhere (think an end table or desk) and shoppers say this "powerful little thing" is "super quiet."

Get cleaner air for less with the Blueair Blue Pure 211i Max air purifier, now discounted on Amazon for Prime Day.

Today, the Dyson Purifier Cool TP07 is available at an all-time low on Amazon Prime Day: The discounted price brings the price down to $349, a staggering 46% discount from the regular $649. This is a small window of time to invest in cleaner air for your home for a price that’s hard to beat.

These are the best air purifiers you can buy in every category, from Levoit Core 600S and BlueAir Blue Pure 411i Max to Dyson Purifier Cool PC1.

I rely on the Airmega AP-1512HH Mighty at home. With 4-stage HEPA filtration and wildfire filter options, it’s a smart buy at 35% off for Prime Day.

One early deal to have on your radar is the $180 Bissell Air180 Air Purifier, which is on sale at Amazon right now for only $84. Shoppers are pleased with its performance, calling it a "workhorse for allergy relief." Get it.

These are the best air purifiers for pets, from Levoit Vital 200S and AirDoctor AD3500 to SwitchBot Table Air Purifier.