Best Air Purifiers for Asthma Updated February 2026

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Best Air Purifiers for Asthma
2026 Buyer's GuideUpdated February 2026
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1

10.0

LEVOIT Air Purifiers for Home Large Room Up to 1875 Ft² with Washable Pre-Filter, AHAM VERIFIDE, Air Quality Monitor, HEPA Slee...
Coverage: 1,800 sq ft in 1 hour
Particle Removal: 99.99%
Filter Type: H13 True HEPA
Dimensions: 8.5" wide x 15.6" deep x 19.8" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs

10.0

1
LEVOIT Air Purifiers for Home Large Room Up to 1875 Ft² with Washable Pre-Filter, AHAM VERIFIDE, Air Quality Monitor, HEPA Slee...
Coverage: 1,800 sq ft in 1 hour
Particle Removal: 99.99%
Filter Type: H13 True HEPA
Dimensions: 8.5" wide x 15.6" deep x 19.8" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
2

9.9

PuroAir 240 HEPA Air Purifier for Home Large Rooms - Covers Up To 1,000 Sq Ft - Filters Up To 99.9% of Pollutants, Smoke, Polle...
Coverage: 1,115 sq ft in 1 hour
Particle Removal: 99.99% down to 0.1 microns
Filter Type: HEPA 14
Dimensions: 8.5" wide x 8.5" deep x 14.25" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs

9.9

2
PuroAir 240 HEPA Air Purifier for Home Large Rooms - Covers Up To 1,000 Sq Ft - Filters Up To 99.9% of Pollutants, Smoke, Polle...
Coverage: 1,115 sq ft in 1 hour
Particle Removal: 99.99% down to 0.1 microns
Filter Type: HEPA 14
Dimensions: 8.5" wide x 8.5" deep x 14.25" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
3

9.7

MORENTO Air Purifier for Home Large Room Bedroom Up to 1076 ft², Wi-Fi and Alexa Control, PM2.5 Air Quality Monitor, Auto Mode,...
Coverage: 1,076 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 13.2" wide x 7.6" deep x 17.5" tall
Ideal For: Allergens, dust, pet dander, smoke, odors

9.7

3
MORENTO Air Purifier for Home Large Room Bedroom Up to 1076 ft², Wi-Fi and Alexa Control, PM2.5 Air Quality Monitor, Auto Mode,...
Coverage: 1,076 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 13.2" wide x 7.6" deep x 17.5" tall
Ideal For: Allergens, dust, pet dander, smoke, odors
4

9.5

Air Purifiers for Bedroom Home with Sleep Mode for Smoke Pet Dander Odors, Small Air Purifier with Fragrance Sponge, Blue Ambie...
Coverage: Not indicated
Particle Removal: Not indicated
Filter Type: HEPA
Dimensions: 6.4" wide x 6.9" deep x 11" tall
Ideal For: Allergens, dust, pet dander, smoke, odors

9.5

4
Air Purifiers for Bedroom Home with Sleep Mode for Smoke Pet Dander Odors, Small Air Purifier with Fragrance Sponge, Blue Ambie...
Coverage: Not indicated
Particle Removal: Not indicated
Filter Type: HEPA
Dimensions: 6.4" wide x 6.9" deep x 11" tall
Ideal For: Allergens, dust, pet dander, smoke, odors
5

9.4

Air Purifiers for Home Large Room 2200 Ft² with Washable Filters, MOOKA H13 HEPA Air Purifier for Home Pets Bedroom with Fragra...
Coverage: 2,000 sq ft in 1 hour
Particle Removal: 9.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 12.2" wide x 6.1" deep x 15.8" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, VOCs

9.4

5
Air Purifiers for Home Large Room 2200 Ft² with Washable Filters, MOOKA H13 HEPA Air Purifier for Home Pets Bedroom with Fragra...
Coverage: 2,000 sq ft in 1 hour
Particle Removal: 9.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 12.2" wide x 6.1" deep x 15.8" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, VOCs
6

9.3

MORENTO Air Purifiers for Home Large Room up to 1076 Sq Ft with PM 2.5 Display Air Quality Sensor for Pet Hair, Double-Sided Ai...
Coverage: 1,076 sq ft in 1 hour
Particle Removal: 99.9% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 13.2" wide x 7.6" deep x 17.5" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold

9.3

6
MORENTO Air Purifiers for Home Large Room up to 1076 Sq Ft with PM 2.5 Display Air Quality Sensor for Pet Hair, Double-Sided Ai...
Coverage: 1,076 sq ft in 1 hour
Particle Removal: 99.9% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 13.2" wide x 7.6" deep x 17.5" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold
7

9.2

PURO²XYGEN Smart Air Purifiers For Home - Large Room Up to 2700 Sq Ft, H13 HEPA Filter, 4-Stage Filtration, WiFi App, Quiet Ope...
Coverage: 550 sq ft in 1 hour
Particle Removal: 99.98% down to 0.3 microns
Filter Type: HEPA + carbon
Dimensions: 13" wide x 6.7" deep x 20.1" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
Compare

9.2

7
PURO²XYGEN Smart Air Purifiers For Home - Large Room Up to 2700 Sq Ft, H13 HEPA Filter, 4-Stage Filtration, WiFi App, Quiet Ope...
Coverage: 550 sq ft in 1 hour
Particle Removal: 99.98% down to 0.3 microns
Filter Type: HEPA + carbon
Dimensions: 13" wide x 6.7" deep x 20.1" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
8

9.0

KNKA Air Purifier for Home Bedroom Large Room Up to 3,500 Ft², HEPA Air Cleaner with Washable Pre-Filter, AHAM VERIFIDE, AQI Di...
Coverage: 3,500 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: HEPA
Dimensions: 12.4" wide x 8.3" deep x 17.1" tall
Ideal For: Allergens, dust, pet dander, smoke, odors

9.0

8
KNKA Air Purifier for Home Bedroom Large Room Up to 3,500 Ft², HEPA Air Cleaner with Washable Pre-Filter, AHAM VERIFIDE, AQI Di...
Coverage: 3,500 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: HEPA
Dimensions: 12.4" wide x 8.3" deep x 17.1" tall
Ideal For: Allergens, dust, pet dander, smoke, odors
9

8.9

LEVOIT Air Purifier for Home Large Room Up to 1073Ft² with Air Quality Monitor, AHAM VERIFIDE, Smart WiFi, Washable Pre-Filter,...
Coverage: 1,110 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 12.8" wide x 6.4" deep x 16.1" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs

8.9

9
LEVOIT Air Purifier for Home Large Room Up to 1073Ft² with Air Quality Monitor, AHAM VERIFIDE, Smart WiFi, Washable Pre-Filter,...
Coverage: 1,110 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 12.8" wide x 6.4" deep x 16.1" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
10

8.7

LEVOIT Air Purifier for Home Bedroom Dorm Room, Smart WiFi Alexa Control, AHAM VERIFIDE, 3-in-1 Filter with HEPA Sleep Mode for...
Coverage: 916 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 8.1" diameter x 12.6" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs

8.7

10
LEVOIT Air Purifier for Home Bedroom Dorm Room, Smart WiFi Alexa Control, AHAM VERIFIDE, 3-in-1 Filter with HEPA Sleep Mode for...
Coverage: 916 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 8.1" diameter x 12.6" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs

Our Top Choice

1

10.0

LEVOIT Air Purifiers for Home Large Room Up to 1875 Ft² with Washable Pre-Filter, AHAM VERIFIDE, Air Quality Monitor, HEPA Slee...
Coverage: 1,800 sq ft in 1 hour
Particle Removal: 99.99%
Filter Type: H13 True HEPA
Dimensions: 8.5" wide x 15.6" deep x 19.8" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs

10.0

1
LEVOIT Air Purifiers for Home Large Room Up to 1875 Ft² with Washable Pre-Filter, AHAM VERIFIDE, Air Quality Monitor, HEPA Slee...
Coverage: 1,800 sq ft in 1 hour
Particle Removal: 99.99%
Filter Type: H13 True HEPA
Dimensions: 8.5" wide x 15.6" deep x 19.8" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs

Compare Features

Particle Removal
Best Air Purifier
1. Levoit Vital 200S-P Smart Air Purifier
LEVOIT Preview LEVOIT Preview
LEVOIT
at Amazon
Popular
2. PuroAir HEPA 14 Air Purifier
PUROAIR Preview PUROAIR Preview
PUROAIR
at Amazon
3. Morento HY4866-WF Smart Air Purifier
MORENTO Preview MORENTO Preview
MORENTO
at Amazon
Best Value
4. MORENTO Air Purifiers (2 Pack)
MORENTO Preview MORENTO Preview
MORENTO
at Amazon
5. Mooka Air Purifier
MOOKA Preview MOOKA Preview
MOOKA
at Amazon
6. Morento HY4866 Air Purifier
MORENTO Preview MORENTO Preview
MORENTO
at Amazon
Premium Pick
7. PurO²xygen P500i Air Purifier
PUROXYGEN Preview PUROXYGEN Preview
PUROXYGEN
at Amazon
8. KNKA Air Purifier
KNKA Preview KNKA Preview
KNKA
at Amazon
9. Levoit Vital 100S Air Purifier
LEVOIT Preview LEVOIT Preview
LEVOIT
at Amazon
10. Levoit Core 200S Air Purifier
LEVOIT Preview LEVOIT Preview
LEVOIT
at Amazon
Deal
Save 16% Save 20% Save 36% Save 37% Save 39% Save 37% Save 45% + $10 Coupon Save 14% Save 23%
Deal Save 16% Save 20% Save 36% Save 37% Save 39% Save 37% Save 45% + $10 Coupon Save 14% Save 23%
Coverage
1,800 sq ft in 1 hour 1,115 sq ft in 1 hour 1,076 sq ft in 1 hour Not indicated 2,000 sq ft in 1 hour 1,076 sq ft in 1 hour 550 sq ft in 1 hour 3,500 sq ft in 1 hour 1,110 sq ft in 1 hour 916 sq ft in 1 hour
Coverage
1,800 sq ft in 1 hour 1,115 sq ft in 1 hour 1,076 sq ft in 1 hour Not indicated 2,000 sq ft in 1 hour 1,076 sq ft in 1 hour 550 sq ft in 1 hour 3,500 sq ft in 1 hour 1,110 sq ft in 1 hour 916 sq ft in 1 hour
Particle Removal
99.99% 99.99% down to 0.1 microns 99.97% down to 0.3 microns Not indicated 9.97% down to 0.3 microns 99.9% down to 0.3 microns 99.98% down to 0.3 microns 99.97% down to 0.3 microns 99.97% down to 0.3 microns 99.97% down to 0.3 microns
Particle Removal
99.99% 99.99% down to 0.1 microns 99.97% down to 0.3 microns Not indicated 9.97% down to 0.3 microns 99.9% down to 0.3 microns 99.98% down to 0.3 microns 99.97% down to 0.3 microns 99.97% down to 0.3 microns 99.97% down to 0.3 microns
Filter Type
H13 True HEPA HEPA 14 H13 True HEPA HEPA H13 True HEPA H13 True HEPA HEPA + carbon HEPA H13 True HEPA H13 True HEPA
Filter Type
H13 True HEPA HEPA 14 H13 True HEPA HEPA H13 True HEPA H13 True HEPA HEPA + carbon HEPA H13 True HEPA H13 True HEPA
Dimensions
8.5" wide x 15.6" deep x 19.8" tall 8.5" wide x 8.5" deep x 14.25" tall 13.2" wide x 7.6" deep x 17.5" tall 6.4" wide x 6.9" deep x 11" tall 12.2" wide x 6.1" deep x 15.8" tall 13.2" wide x 7.6" deep x 17.5" tall 13" wide x 6.7" deep x 20.1" tall 12.4" wide x 8.3" deep x 17.1" tall 12.8" wide x 6.4" deep x 16.1" tall 8.1" diameter x 12.6" tall
Dimensions
8.5" wide x 15.6" deep x 19.8" tall 8.5" wide x 8.5" deep x 14.25" tall 13.2" wide x 7.6" deep x 17.5" tall 6.4" wide x 6.9" deep x 11" tall 12.2" wide x 6.1" deep x 15.8" tall 13.2" wide x 7.6" deep x 17.5" tall 13" wide x 6.7" deep x 20.1" tall 12.4" wide x 8.3" deep x 17.1" tall 12.8" wide x 6.4" deep x 16.1" tall 8.1" diameter x 12.6" tall
Ideal For
Allergens, dust, pet dander, smoke, odors, mold, VOCs Allergens, dust, pet dander, smoke, odors, mold, VOCs Allergens, dust, pet dander, smoke, odors Allergens, dust, pet dander, smoke, odors Allergens, dust, pet dander, smoke, odors, VOCs Allergens, dust, pet dander, smoke, odors, mold Allergens, dust, pet dander, smoke, odors, mold, VOCs Allergens, dust, pet dander, smoke, odors Allergens, dust, pet dander, smoke, odors, mold, VOCs Allergens, dust, pet dander, smoke, odors, mold, VOCs
Ideal For
Allergens, dust, pet dander, smoke, odors, mold, VOCs Allergens, dust, pet dander, smoke, odors, mold, VOCs Allergens, dust, pet dander, smoke, odors Allergens, dust, pet dander, smoke, odors Allergens, dust, pet dander, smoke, odors, VOCs Allergens, dust, pet dander, smoke, odors, mold Allergens, dust, pet dander, smoke, odors, mold, VOCs Allergens, dust, pet dander, smoke, odors Allergens, dust, pet dander, smoke, odors, mold, VOCs Allergens, dust, pet dander, smoke, odors, mold, VOCs

Air Purifier Buyer's Guide



Navigating the many choices for every purchase can be challenging. Our team spends hours doing research on every product under the sun, and we summarize that information in clear, precise comparisons. Our top pick is based on the factors that are important to our readers, the most popular products in each category, and our data-driven analysis of all the options. We do our best to give you all the information you need to make the right purchase in one place.


Trusting Our Top Pick



84
Models
Evaluated

24
Topics
Considered

53
Hours of
Research

589
Purchases
Analyzed



Our recommendations are based on expert comparisons between available products in each category. We choose the topics that we think matter most to our readers, and provide concise, clear comparisons of the features that matter. Our rankings change day-to-day based on new data and shopping trends, so we can identify top-performing products and tailor our recommendations to exactly what our readers are looking for.