Amazon Is Running a Secret Sale on Air Purifiers Right Now


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Aug 28, 2023

Amazon Is Running a Secret Sale on Air Purifiers Right Now

Gear-obsessed editors choose every product we review. We may earn commission if

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us?

Tons of Popular Mechanics top picks are on sale today.

Indoor and outdoor air pollution is a growing global concern. Breathing in polluted air can worsen asthma and lead to other health concerns, like increasing the risk of cancer and strokes, according to a study published in the National Library of Medicine. That same study found that indoor air filters and purifiers were successful in reducing unwanted particles. Researchers found that HEPA (high-efficiency particulate air) filters can "capture 99.7 percent of all particles 0.3 microns or smaller." And with the current wave of residual wildfire smoke sweeping down into the U.S. from Canada right now, we can't imagine a better time to invest in an air purifier.

Here at Popular Mechanics, we've long been at the forefront of testing and reviewing (and reading the fine print for) air purifiers. Our lists are thoroughly vetted by experts, and we read through hundreds of consumer reviews to make sure our picks are always top-notch.

When looking at air purifiers, it's also incredibly important to consider the size of your space, so we always note the optimal square footage so that consumers aren't powering up a too-small purifier and have it fall short of expectations.

Now, some of our all-time favorite portable purifiers and dust-specific filtering models are marked down on Amazon just in time for peak allergy season. Shop some of the best-reviewed, most trustworthy picks below.

On sale for under $45 right now, this portable air purifier is a nice option to cover smaller spaces in your home. Given its size and that it's designed to clean spaces of 178 square feet or less, our editors named this the best desktop air purifier.

Amazon reviewers seem to love it too, as it's a best seller with over 10,000 five-star reviews.

Our editors love this air purifier for how quiet yet effective it is. It can clean the air in a room up to 2,000 square feet without getting much louder than a whisper. And best of all, right now you can snag one for 21 percent off on Amazon.

This low-cost model is meant for small spaces—under 130 square feet—so use it for kids’ rooms and dorms, or pair it with another model to double down on efficiency.

"The Levoit's triple-filtration system includes an ultra-fine pre-filter as well as an H13 HEPA filter with activated carbon, which is surprising given the price," Popular Mechanics editors reported.

An economical choice given it covers 750 square feet and is currently almost 30 percent off, this PM pick is well-loved on Amazon. It has 4.7 stars after over 30,000 reviews, with customers saying it makes a noticeable difference.

Made for spaces under 403 square feet, this pick is high-tech and nearly silent. "At a max volume of 23 decibels, it's the quietest purifier on our list," editors wrote.

This Coway pick covers up to 1,560 square feet, so it's well worth the bigger price tag (which is currently over 30 percent off.) "It also has a variety of smart features, sleep settings, and a surprisingly compact design for such a capable portable air purifier... there's also a timer and pollution sensor," Popular Mechanics experts wrote earlier this year.

Megan is a freelance writer who specializes in E-Commerce, LGBTQ+ media, mental health, and astrology. Their email is [email protected].

Micki Wagner is a commerce editor for Hearst's Enthusiast Group, where she is constantly on the lookout for exciting new products, great sales and deals, and fun gifts. Her work can also be found on Saveur and Worth. When she's not writing about the latest and greatest products, you can find her checking out new restaurants, spending way too much time shopping online, and binging Parks and Recreation…yet again.

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