Best Air Purifiers for Asthma
Updated July 2025
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Best Air Purifiers for Asthma
2025 Buyer's GuideUpdated July 2025
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1
PuroAir 240 HEPA Air Purifiers for Home Large Rooms - Covers Up To 1,000 Sq Ft - Filters Up To 99.9% of Pollutants, Smoke, Poll...
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
1
PuroAir 240 HEPA Air Purifiers for Home Large Rooms - Covers Up To 1,000 Sq Ft - Filters Up To 99.9% of Pollutants, Smoke, Poll...
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
2
BLUEAIR 2-in-1 Purify + Humidify: Air Purifier and Humidifier with HEPASilent™ and 360° InvisibleMist™ Technology, Top Pour - c...
Coverage: 1,726 sq ft in 1 hour
Particle Removal: 99.97% down to 0.1 microns
Filter Type: Wick
Dimensions: 16.1" wide x 14.3" deep x 28.7" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
2
BLUEAIR 2-in-1 Purify + Humidify: Air Purifier and Humidifier with HEPASilent™ and 360° InvisibleMist™ Technology, Top Pour - c...
Coverage: 1,726 sq ft in 1 hour
Particle Removal: 99.97% down to 0.1 microns
Filter Type: Wick
Dimensions: 16.1" wide x 14.3" deep x 28.7" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
3
MSA3S Smart Air Purifier for Bedroom, Membrane Solutions Alexa Air Purifiers for Home Large Room With AQI, Auto Mode & H13 HEPA...
Coverage: 1,590 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 13.1" wide x 7.6" deep x 21.4" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, VOCs
3
MSA3S Smart Air Purifier for Bedroom, Membrane Solutions Alexa Air Purifiers for Home Large Room With AQI, Auto Mode & H13 HEPA...
Coverage: 1,590 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 13.1" wide x 7.6" deep x 21.4" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, VOCs
4
BLUEAIR Air Purifier for Small Room, Bedroom, Home, Cleans 926 sqft in one hour, HEPASilent Air Cleaner for Pets, Allergens, Vi...
Coverage: 926 sq ft in 1 hour
Particle Removal: 99.97% down to 0.1 micron
Filter Type: HEPA
Dimensions: 10.6" diameter x 18.9" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
4
BLUEAIR Air Purifier for Small Room, Bedroom, Home, Cleans 926 sqft in one hour, HEPASilent Air Cleaner for Pets, Allergens, Vi...
Coverage: 926 sq ft in 1 hour
Particle Removal: 99.97% down to 0.1 micron
Filter Type: HEPA
Dimensions: 10.6" diameter x 18.9" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
5
HATHASPACE HSP001 True HEPA Air Purifier for Home, Removes 99.9% of Dust, Smoke, Pet Dander, Odors, VOCs, Covers Up to 700 Sq. ...
Coverage: 700 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H11 True HEPA
Dimensions: 13" wide x 7" deep x 20" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
5
HATHASPACE HSP001 True HEPA Air Purifier for Home, Removes 99.9% of Dust, Smoke, Pet Dander, Odors, VOCs, Covers Up to 700 Sq. ...
Coverage: 700 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H11 True HEPA
Dimensions: 13" wide x 7" deep x 20" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
6
MORENTO Air Purifiers for Bedroom, Room Air Purifier HEPA Filter for Smoke, Allergies, Pet Dander Odor with Fragrance Sponge, S...
Coverage: 108 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 6.6" wide x 6.6" deep x 9" tall
Ideal For: Allergens, dust, pet dander, smoke, odors
6
MORENTO Air Purifiers for Bedroom, Room Air Purifier HEPA Filter for Smoke, Allergies, Pet Dander Odor with Fragrance Sponge, S...
Coverage: 108 sq ft in 1 hour
Particle Removal: 99.97% down to 0.3 microns
Filter Type: H13 True HEPA
Dimensions: 6.6" wide x 6.6" deep x 9" tall
Ideal For: Allergens, dust, pet dander, smoke, odors
7
HATHASPACE HSP002 True HEPA Air Purifier for Home, Removes 99.9% of Dust, Smoke, Pet Dander, Odors, VOCs, Covers Up to 1500 Sq....
Coverage: 1,500 sq ft in 1 hour
Particle Removal: 99.9% down to 0.1 microns
Filter Type: H13 True HEPA
Dimensions: 16.5" wide x 9.5" deep x 27.2" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
7
HATHASPACE HSP002 True HEPA Air Purifier for Home, Removes 99.9% of Dust, Smoke, Pet Dander, Odors, VOCs, Covers Up to 1500 Sq....
Coverage: 1,500 sq ft in 1 hour
Particle Removal: 99.9% down to 0.1 microns
Filter Type: H13 True HEPA
Dimensions: 16.5" wide x 9.5" deep x 27.2" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
8
HATHASPACE HSP003 True HEPA Air Purifier for Home, Removes 99.9% of Dust, Smoke, Pet Dander, Odors, VOCs, Covers Up to 2800 Sq....
Coverage: 2800 sq ft in 1 hour
Particle Removal: 99.9% down to 0.25 microns
Filter Type: H13 True HEPA
Dimensions: 14" wide x 14" deep x 27" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
8
HATHASPACE HSP003 True HEPA Air Purifier for Home, Removes 99.9% of Dust, Smoke, Pet Dander, Odors, VOCs, Covers Up to 2800 Sq....
Coverage: 2800 sq ft in 1 hour
Particle Removal: 99.9% down to 0.25 microns
Filter Type: H13 True HEPA
Dimensions: 14" wide x 14" deep x 27" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
9
MORENTO
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
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...
MORENTO
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
10
BLUEAIR Air Purifiers for Medium Rooms, Bedroom, Kitchen, Cleans 1,858 sqft in one hour, HEPASilent Smart Air Cleaner for Home,...
Coverage: 1,858 sq ft in 1 hour
Particle Removal: 99.97% down to 0.1 microns
Filter Type: HEPA
Dimensions: 12.5" diameter x 19" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
10
BLUEAIR Air Purifiers for Medium Rooms, Bedroom, Kitchen, Cleans 1,858 sqft in one hour, HEPASilent Smart Air Cleaner for Home,...
Coverage: 1,858 sq ft in 1 hour
Particle Removal: 99.97% down to 0.1 microns
Filter Type: HEPA
Dimensions: 12.5" diameter x 19" tall
Ideal For: Allergens, dust, pet dander, smoke, odors, mold, VOCs
We also considered 10 others:
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Our Top Choice
1
PuroAir 240 HEPA Air Purifiers for Home Large Rooms - Covers Up To 1,000 Sq Ft - Filters Up To 99.9% of Pollutants, Smoke, Poll...
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
1
PuroAir 240 HEPA Air Purifiers for Home Large Rooms - Covers Up To 1,000 Sq Ft - Filters Up To 99.9% of Pollutants, Smoke, Poll...
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
Compare Features
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.
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Models
Evaluated
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Topics
Considered
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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.
Expert Analysis
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