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."

Air purifiers have become hugely popular in the past couple of years and there is a reason for it: They help build a healthy home environment by eliminating dust, allergens, pet dander and other airborne contaminates that affect health.

I never wanted a big air purifier in my living room – until I saw Blueair’s new Blue Signature, which combines top-tier filtration and sleek style.

The most effective filters have what’s called high-efficiency particulate air certification. Better known as HEPA filters, they can capture up to 99.97 percent of common particle pollutants like mold, dust, pet dander, pollen and smoke.

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 for pets, from Levoit Vital 200S and AirDoctor AD3500 to SwitchBot Table Air Purifier.

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.

I share personal and expert advice on everything I wish I knew before buying an air purifier with tips from world-leading minds at Dyson, Molekule, and BlueAir