Amazon Prime Day 2021 is finally here. During the Prime Day sales event, Prime members can take advantage of sitewide savings in categories ranging from tech and kitchenware to clothing and skin care. Amazon created the annual event in 2015 — and after six years, it’s grown so big that several other retailers are now hosting their own counter deals, including Target, Walmart, Wayfair, Kohl’s, Best Buy and Bed Bath & Beyond. During the coronavirus pandemic, many people have invested in air purifiers to help keep their homes clean, many of which are on sale during Prime Day from brands like Blueair, Bissell, Medify and more. To help you make the most of the fleeting shopping holiday, we compiled some of the best air purifier Prime Day deals on Amazon, plus highlighted notable deals from counter sales happening at other retailers. To ensure the quality of these sales, we’re checking deal prices against price trackers like CamelCamelCamel, Honey and others.
SKIP AHEAD Best air purifier sales on Amazon | Best air purifier sales at other retailers
Best air purifier deals
PARTU HEPA Air Purifier
- Lowest price since May, according to CamelCamelCamel
- 4.5-star average rating from 3,946 reviews on Amazon
- Cleans rooms up to 160 square feet, three fan speeds, H13 True HEPA filter
Beyond cleaning air through its three stage filtration system, this air purifier acts as a night light. You can choose from seven light colors to illuminate rooms, or shut the light off when it’s not needed.
GermGuardian True HEPA Filter Air Purifier with UV Light Sanitizer
- Lowest price since April, according to CamelCamelCamel
- 4.7-star average rating from 37,251 reviews on Amazon
- Cleans up to 743 square feet, optional UV-C light, three speed settings
When you turn on the built-in UV-C light on this air purifier, it works to kill airborne viruses that may be lingering in rooms. In addition to a pre-filter and HEPA filter, the air purifier also features an activated charcoal filter to reduce unwanted odors in your home.
Proscenic A9 Air Purifier
- Lowest price ever, according to CamelCamelCamel
- 4.6-star average rating from 267 reviews on Amazon
- Cleans up to 2,904 square feet, Wi-Fi-enabled, 4-stage filtration system with H13 HEPA filter
In automatic mode, this air purifier monitors air quality in real time to adjust the fan speed accordingly, and it has a built-in child lock. The air purifier is compatible with Alexa-enabled devices or you can control it through the companion app.
Honeywell HPA300 Air Purifier
- Lowest price since November 2020, according to CamelCamelCamel
- 4.7-star rating from 13,746 reviews on Amazon
- Cleans rooms up to 465 square feet, HEPA filter, filter check reminders
Honeywell’s air purifier offers three air cleaning levels and a Turbo clean mode, as well as an auto-off timer. In addition to capturing allergens and germs, the air purifier helps remove odors from rooms, which are trapped in the pre-filter.
smartmi HEPA Air Purifier
- Lowest price ever, according to CamelCamelCamel
- 4.4-star rating from 103 ratings on Amazon
- Cleans rooms up to 517 square feet, compatible with Alexa and Google Assistant, H13 HEPA filter
One enabled in its companion app, you can control this air purifier with no-touch gestures by waving your hand over the top of it. The air purifier features an indoor air quality monitor, and in auto mode, it adjusts the fan speed based on the air quality level.
Bissell air320 Smart Air Purifier
- Lowest price since May 2020, according to CamelCamelCamel
- 4.7-star average rating from 2,392 reviews on Amazon
- Cleans rooms up to 308 square feet, three-stage filtration system
This air purifier’s automated CirQulate System monitors indoor air quality and provides readings in real-time, adjusting to the appropriate fan speed as needed. The filtration system includes a fabric pre-filter, activated carbon filter and HEPA filter that captures 99.97 percent of 0.3 micron particles or smaller.
Bissell air220 Air Purifier
- Lowest price since April, according to CamelCamelCamel
- 4.7-star average rating from 2,435 reviews on Amazon
- Cleans rooms up to 266 square feet, three-stage filtration system
The Bissell air220 has identical features compared to the air320 but is designed to clean smaller spaces.
Medify MA-40 Air Purifier
- Lowest price ever, according to CamelCamelCamel
- 4.6-star average rating from 8,205 reviews on Amazon
- Cleans up to 1,600 square feet, H13 HEPA filter, filter replacement indicator
Using this air purifier’s touch screen, you can program a timer for up to eight hours, adjust the fan speed between three options and turn on sleep mode. It also has an optional child lock to prevent kids from changing settings.
Blueair Blue Pure 211+ Air Purifier
- Lowest price since March, according to CamelCamelCamel
- 4.7-star average rating from 7,764 reviews on Amazon
- Cleans rooms up to 540 square feet, three-stage filtration system, customizable pre-filter colors
The washable fabric pre-filter of this air purifier captures large particles, while the activated carbon filter reduces gases and removes household odors from the air. The air purifier features a one-button control that turns the device on and off, as well as notifies you when it’s time to change the filter — the built-in warning system glows red when it's time for a replacement.
Medify Air MA-112 V2.0 Air Purifier
- Lowest prince since April, according to CamelCamelCamel
- 4.6-star average rating from 872 reviews on Amazon
- Cleans rooms up to 2,500 square feet, H13 HEPA filter, dual air intake
Medify’s air purifier features a three-stage filtration system, four fan speeds, a sleep mode and a zero to eight hour programmable timer. The air purifier touch panel allows you to turn on the ionizer, which produces negative ions to charge particles and trap them inside the device.
Blueair Classic 605 Air Purifier
- Lowest prince since April, according to CamelCamelCamel
- 4.5-star average rating from 850 reviews on Amazon
- Cleans rooms up to 775 square feet., Wi-Fi-enabled, compatible with Amazon Alexa
BlueAir’s Classic 605 Air Purifier uses the brand’s HEPASilent filtration technology to capture 99.97 percent of particles like dust, mold, pet dander and pollen. You can choose from three fan speeds, including a whisper quiet option that won’t disturb you while you’re sleeping.
Best Prime Day sales on Amazon
- Up to 40 percent off Blueair air purifiers
- Up to 46 percent off Medify air purifiers
- Up to 50 percent off Bissell air purifiers
Best Prime Day sales at other retailers
- Wayfair: Up to 55 percent off air purifiers and filters
- Target: Up to 40 percent off air purifiers and filters
- Overstock: Up to 20 percent off air purifiers and filters
- Best Buy: Up to $200 off select air purifiers and filters
More air purifier deals and sales to shop during Prime Day 2021
- 31 percent off the Coway Airmega 300 air purifier at Amazon
- 38 percent off the Dyson Pure Cool Link Air Purifier and Fan at Target
- 57 percent off the SAFE + MATE True HEPA Air Purifier at Target
- Up to 30 percent off Medify air purifiers and filters at Target
- $70 off the Dyson TP01 Pure Cool Tower HEPA Air Purifier and Fan at Best Buy
- $100 off the Shark Air Purifier 6 at Best Buy
- $174 off the Blueair Classic Series 480i at Best Buy
- Up to 35 percent off select Comfort Zone air purifiers at Wayfair
- Up to 40 percent off select Winix air purifiers and replacement filters at Wayfair
- 33 percent off the Oreck Air Purifier with HEPA Filter at Wayfair
- 41 percent off the Oreck Dualmax Air Purifier with HEPA Filter at Wayfair
- Up to 40 percent off select GermGuardian air purifiers and replacement filters at Wayfair
- Up to 45 percent off select New Comfort air purifiers at Wayfair
- 30 percent off HoMedics TotalClean 4-in-1 Air Purifier at Bed Bath & Beyond
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