Best Air Purifiers for Allergies and Asthma in 2018

Suffering from allergies? Yes, that’s why you are here to find the best air purifiers for allergies and asthma. Well, you are in the right place.

We make this list after testing around 100 air purifiers to ensure that this list is the most proper buying guide of air purifiers for our audiences in 2018. Also, we will keep updating our list daily (to 2019 and beyond) to help you keep up with the latest, and also the best air purifiers for allergies.

According to Asthma and Allergy Foundation of American (AAFA), more than 50 million Americans have experienced various types of allergies each year. And it can cause death, seriously! Also, the annual cost of allergies exceeds $18 billion.

These numbers won’t lie, you can keep reading the allergy fact from AAFA’s website.

As you are in the allergies and asthma group, you must have researched for millions of methods to help you reduce, or even cure the allergies. Then you find out there is no cure. Only prevention.

And one of the most advised method to prevent allergies and asthma today is finding the best air purifiers for allergies.

Well, it’s a good catch!

Let’s not waste countless hours of searching through any others of websites just to find the top rated air purifiers that prevent your allergies and asthma. Because in Breathe Quality:

  • We do give honest reviews (both pros and cons) and a base comparison for all the air purifiers so anyone will guarantee to have the wisest choices.
  • We do not (never) exaggerate one product just to let you click the links and buy that product blindly.

Before you are looking at our list, we must ensure that you know how to define a best air purifier for allergies and asthma.

  • Must have True HEPA Filter for removing even the smallest of bacteria, virus and other pollutant particles and an Activated Carbon filter to help with smoke and odors. Ionizer filter shouldn’t be included to help preventing asthma attack, or can be switched on/off. To understand the air filter types and how they work, please read this article.
  • The noise must be at low level, or completely no sound for not triggering asthma.
  • Good ACH (air changes per hour), at least 2X to 4X, 5X, 6X ACH. Also the CADR (Clean Air Delivery Rate) must strictly fit your room.

Keeping all these three above rules in your mind whenever you purchase an air purifier for allergies and asthma. We wish nothing but your healthy life.

Related posts: 

Time to find out!

BASE COMPARISON TABLE OF TOP 10 BEST AIR PURIFIERS FOR ALLERGIES AND ASTHMA IN 2018

This Comparison Table of best air purifiers for allegies and asthma will help you have a quick overview of our list of Top 10 Best Air Purifiers for Allergies and Asthma in 2018. The factor for comparison in this table is Filter Type of this air purifier (which is always with True HEPA filter). We also give the most concerned factors as Room Capability or Air Purifier’s Size.

Remember that you should check the reviews of this comparison table. We will share all the knowledge about the pros and cons of each air purifier. To understand more clearly why we use this list for allergies and asthma, you should scroll to our buying guide.

ImageNameFilter TypeRoom Capability (sq ft)Check Reviews
best air purifiers for allergies and asthmaRabbit Air BioGS 2.0 Ultra Quiet HEPA Air PurifierAdvanced BioGS HEPA, Carbon Filter625Read More
best air purifiers for allergies and asthmaOransi ERIK650A Commercial Grade HEPA Air PurifierTrue HEPA Filter, Carbon Filter1700Read More
best air purifiers for allergies and asthmaPhilips Air AC5659/40 5000iTrue HEPA Filter, Carbon Filter453Read More
best air purifiers for allergies and asthmaGermGuardian CDAP5500BCA WiFi Smart 4-in-1 Air PurifierTrue HEPA Filter, UV Light Filter, Carbon Filter193Read More
best air purifiers for allergies and asthmaCoway AP-1512HH Mighty Air PurifierTrue HEPA Filter, Ionic Filter, Carbon Filter361Read More
best air purifiers for allergies and asthmaBlueair Classic 605 Air PurifierTrue HEPA Filter, Carbon Filter775Read More
best air purifiers for allergies and asthmaIQAir GC MultiGas Air PurifierTrue HEPA Filter, Carbon Filter1100Read More
best air purifiers for allergies and asthmaBiota Bot Model #MM208 Air PurifierTrue HEPA Filter, UV Light Filter, Carbon Filter430Read More
best air purifiers for allergies and asthmaHoneywell True HEPA Allergen Remover HPA300True HEPA Filter, Carbon Filter465Read More
best air purifiers for allergies and asthmaLEVOIT LV-PUR131 Air PurifierTrue HEPA Filter, Carbon Filter322Read More

Top 10 Best Air Purifiers for Allergies and Asthma List

1) Rabbit Air BioGS 2.0 Ultra Quiet HEPA Air Purifier

While the technology of Rabbit Air includes an Ionizer Generator which can be a problem for your asthma, they guarantee that the ozone emission is 25 times less than the 0.05 ppm maximum ozone concentration safety standard by California Air Resource Board (CARB). Thus Rabbit Air BioGS 2.0 becomes the number one air purifier in our list for Best Air Purifiers for Allergies and Asthma in 2018.

  • Filters: BioGS HEPA filter (a better True HEPA filter) + Activated Carbon filter
  • The silence: Ultra Quiet
  • ACH: 4X ACH

best air purifiers for allergies and asthma

The first thing you need to check for an air purifier for allergies and asthma is its filter, and it is the difference between Rabbit Air and other average air purifiers. They don’t just use True HEPA filter, they upgrade it to BioGS HEPA filter. While still be the best True HEPA filter to capture 99.97% of down to 0.3 microns of contaminant particles, BioGS HEPA filter significantly reduces the trapping of larger bacteria, pet dander, pollen and dust using other pre-filter and medium filter. Therefore it increase the life time of the True HEPA filter, up to 3 years (rather than the normal replacement of 6 months for normal HEPA filters). To help you with smoke and odors, BioGS 2.0 uses an Activated Carbon filter. These combination is great for those who suffer from allergies and asthma.

The silence is also perfect, with the Ultra Quiet technology, Rabbit Air BioGS 2.0 is one of the best silent air purifiers thanks to Amazon reviewers.

For ACH, you should be please with the 4X ACH of BioGS 2.0. And with the capability of 625 square feet, this air purifier is really powerful to help you combat with the allergies and asthma issues.

In addition, Rabbit Air BioGS 2.0 comes with 4 colors.

Here is the pros/cons of Rabbit Air BioGS 2.0

PROS


  • BioGS 2.0 HEPA Filter
  • Ultra Quiet
  • Large coverage of 625 sq ft
  • 5-year warranty

CONS


  • Smoke and odors removal is not as good as MinusA2
  • Still have ozone emission

If you don’t have any problems with Ionic filter (and even if you have, the Ion Generator can be switched on/off), you may want to have Rabbit Air MinusA2. Its technology is far better than BioGS 2.0 with 6-stage air filtration, thanks to its Customizable Filter to help capture the tiniest of pollutant particles. Also, you will not need to concern of its size, because MinusA2 can be mounted on wall, while still be the most powerful to cover an area of 815 sq ft. Interesting, aren’t you?

Also, the latest version of MinusA2 air purifier comes with a smart app. Now you can control your air purifier anywhere and anytime with your smartphone. So, if you want these features, the only air purifier you can take is Rabbit Air MinusA2.

best air purifiers for allergies and asthma

Related post: Best air purifiers list.

2) Oransi ERIK650A Commercial Grade HEPA Air Purifier

Oransi is the only brand dares to claim be #1 HEPA Air Purifier. And their latest air purifier, Oransi ERIK650A would be the perfect one for us to test their quality.

  • Filters: MERV18 HEPA filter (a similar True HEPA filter) + Activated Carbon filter
  • The silence: Decrease the loud as the machine runs longer.
  • ACH: 4X-6X ACH

best air purifiers for allergies and asthma

Well, maybe the title of “best HEPA Air purifier” is not just saying. To meet the demands of a good True HEPA filter, Oransi ERIK650A names its MERV18 HEPA filter for a combination of 4” deep GAC impregnated Activated Carbon/potassium permanganate bed pre-filter and a 12” deep main HEPA filter. You could believe that these filters won’t let any types of contaminants get out. Even the pre-filter can capture 85% of contaminant particles down to 0.3 microns. People who suffers from allergies and asthma will be very pleased.

The sound from ERIK650A is quite loud at the start, and then decrease as the rotor and field is coming into sync.

For ACH, it is 4X to 6X with a maximum of 413 cfm CADR, capable of covering an area up to 1700 sq ft. Strong ACH and CADR help fresh your air zone greater. If the loud is a bit better, we will put ERIK650A in our list of best air purifiers for office.

Here is the pros/cons of Oransi ERIK650A

PROS


  • True HEPA filter
  • Mobility with 4 wheels
  • Large coverage, high ACH and CADR
  • 10-year warranty

CONS


  • Overall price is high
  • No Smart features
  • Not so quiet at first

Related post: Best air purifiers for office.

3) Philips Air AC5659/40 5000i

The Dutch technology Philips is always a big electronics brand, and it is quite recommended to consider this brand’s latest air purifier in our list of Best air purifiers for allergies and asthma. Let’s check Philips Air AC5659/40 5000i.

  • Filters: 2 True HEPA filters + 2 Activated Carbon filters.
  • The silence: Very quiet
  • ACH: 4X-5X ACH

best air purifiers for allergies and asthma

This is the best air purifier for allergies and asthma you can get. To combat with these allergies, Philips Air AC5659/40 5000i has a great Extra-sensitive Allergen mode. This mode will react with even the slightest change of air in indoor allergen level. However, in order to be so powerful, Philips Air 5000i has 6 filter layers, with two pre-filters to capture most of the large pollutant particles like dust and hair. Then it combines two True HEPA filters and 2 Activated Carbon filters to remove the tiniest particles of contaminants and absorb harmful gases.

Fun facts: All Philips Air True HEPA air purifiers are tested by Nelson Laboratories Test in 2016.

The sound from Philips Air 5000i is extremely quiet. In Sleep Mode, display lights are dimmed and Philips Air 5000i operates with little to no sound.

The ACH is 4X-5X with a 293 cfm CADR, It perfectly fits for room of 454 sq ft.

In addition to the power itself, Philips Air 5000i also comes with Smart features like Smart Sensor to adjust fan speed automatically and Smartphone app to control your air purifier anytime and anywhere. With these functions, we believe that those who suffers from (especially) allergies and asthma should consider Philips Air 5000i.

Here is the pros/cons of Philips Air AC5659/40 5000i

PROS


  • 6-layer Filter instead of 2 to 4 as normal
  • Extra-sensitive Allergy Mode
  • Good coverage with high ACH
  • Very quiet with Sleep mode
  • Mobility with 4 wheels
  • 2-year warranty

CONS


  • App has many bugs

Related post: Best air purifiers for pets.

4) GermGuardian CDAP5500BCA WiFi Smart 4-in-1 Air Purifier

One of the best air purifiers in 2018 you could find – GermGuardian CDAP5500BCA is the latest technology of Guardian Technology, the most well-known air purifier’s brand in Amazon. Let’s see if this air purifier is suitable for allergies and asthma or not.

  • Filters: True HEPA filter + Activated Carbon filter + UV-C Light filter
  • The silence: Quiet
  • ACH: 2X ACH

best air purifiers for allergies and asthma

The technology from GermGuardian CDAP5500BCA is one step better than the previous 3-in-1 air filtration system of GermGuardian. Now you have 4-in-1 cleaning system with a True HEPA filter to help allergy and asthma suffers, a Carbon filter to absorb smoke and odors and an UV-C Light filter to kill even the tiniest particles of contaminants.

The silence of this air purifier, however, is not so perfect as others. It is quite noisy at highest settings. However, its Smart Sensor named SmartAQM is perfect to keep the fan at low settings. So even if you have problems with the noise, don’t hesitate to try GermGuardian CDAP5500BCA.

The ACH is 2X with 125 CADR, it is perfect for 171 sq ft room.

If you are the fan of smart features in air purifier, you will have it in GermGuardian CDAP5500BCA. You can control this air purifier system using your iOS or Android smartphone devices easily. Also, this air purifier can be controlled via Alexa commands.

Here is the pros/cons of GermGuardian CDAP5500BCA

PROS


  • True HEPA Filter combined with UV-C Light Filter
  • Wifi Smart Enabled
  • SmartAQM is great
  • Low-budget for a high-end product
  • 5-year warranty

CONS


  • Quite noisy with highest setting
  • Alexa voice command seems bad

5) COWAY MIGHTY AIR PURIFIER AP-1512HH

The Korean #1 brand for air purifier – Coway is making their proud Coway AP-1512HH the #3 Amazon Best seller for air purifiers. It is also one of the most perfect air purifiers for allergies and asthma. Let’s see the reasons:

  • Filters: True HEPA filter + Activated Carbon filter + Ionic filter
  • The silence: Impressively quiet
  • ACH: 2X-4X ACH

best air purifiers for allergies and asthma

You are asking why an Ionizer air purifier is still in this list?

First, it can be switched on/off easily.

Second, there is currently no review for bad reactions of asthma suffers with the vital ion in Coway AP-1512HH.

With the 4-stage air purification system, using one of the best True HEPA filter ( and Activated Carbon filter, Coway AP-1512HH can eliminate the widest range of pollutants, smoke and odors.

The sound is impressively quiet. With Eco Mode (Coway’s Smart Sensor), Ap-1512HH will always run at the low setting for virtually no sound and saving energy.

ACH is 2X to 4X with CADR of 246/240/233 for Dust/Pollen/Smoke, up to 361 sq ft room coverage.

Here is the pros/cons of Coway AP-1512HH

PROS


  • Antivirus True HEPA Filter
  • Compact size, large coverage
  • Eco Mode
  • Auto Mode adjusts the air effectively
  • 3-year warranty

CONS


  • The top light can’t be turned off

6) BLUEAIR CLASSIC 605 AIR PURIFIER

Blueair is also a well-known brand in air purifier market for about 20 years. With lots of experience in air purifiers, we hope Blueair Classic 605 will stay on top of the best air purifiers for allergies and asthma.

  • Filters: True HEPA filter + Activated Carbon filter
  • The silence: HEPASilent Technology
  • ACH: 4X-5X ACH

best air purifiers for allergies and asthma

Blueair Classic 605 vows to fight allergies, asthma and hay attack with its True HEPA filter and Activated Carbon filter. As a result, this air purifier from Blueair is perfect for allergy and asthma suffers with the ability to capture 99.97% airborne particles down to 0.3 microns.

It is completely silent at low setting thanks to the HEPASilent Technology. With this technology, you will experience almost no sound.

The ACH is 5X at the highest fan speed, with CADR of 500/640/500 of Dust/Pollen/Smoke in an area of up to 775 sq ft.

Moreover, you will have the Smart Sensor in Blueair Classic 605 to help adjust fan speed according to air quality automatically. Also, as this air purifier is certified by Alexa Amazon, you can easily control it via Alexa devices.

Here is the pros/cons of Blueair Classic 605

PROS


  • True HEPA Filter
  • HEPASilent Technology is gold
  • Smart Sensor
  • Control via Alexa device
  • 5-year warranty

CONS


  • May have bad smell

Related post: Best large room air purifiers.

7) IQAir GC MultiGas Air Purifier

If you really care for your allergies and asthma, you should focus on a air purifier with a medical-grade certificate like IQAir GC MultiGas. A latest product from a long history air purifier’s brand, what could we expect from this new monster?

  • Filters: HyperHEPA filter (True HEPA filter) + Activated Carbon filter
  • The silence: Very quiet
  • ACH: 4X-6X ACH

best air purifiers for allergies and asthma

To test this air purifier against the smoke, even the IQAir president Frank Hammes stayed in a full-smoke room with only GC MultiGas. This is the reality of an air purifiers with so much power against gases, smoke and MCS. The True HEPA filter of IQAir is called HyperHEPA, which can capture 99.5% of particles down to 0.3 microns.

The silence of this air purifier is truly gold, just like any other Swiss-model air purifiers of IQAir. The noise at highest setting is one step lower than average air purifiers.

The ACH is upto 6X, with CADR of 235 cfm for an area of 1125 sq ft.

Here is the pros/cons of IQAir GC MultiGas

PROS


  • HyperHEPA Technology
  • The output is 360 degree to direct air to everywhere
  • Very quiet
  • 5-year warranty

CONS


  • The price is the highest on list

Related post: Best air purifiers for smoke.

8) Biota Bot Model #MM208 Air Purifier

Biota Bot is one of the most recognized Air Purifier Retailers with several products in top Amazon Best Sellers of air purifiers. For the best air purifier for allergies and asthma, we choose Biota Bot Model #MM208 Air Purifier.

  • Filters: True HEPA filter + Activated Carbon filter + UV-C Light filter
  • The silence: Sleep mode available, very quiet
  • ACH: 2X-4X ACH

best air purifiers for allergies and asthma

With a 7-stage air filtration, Biota Bot #MM208 has a pre-filter, a True HEPA filter, an Activated Carbon filter and an UV-C Light filter, it is easy to be one of the best air purifier for allergies and asthma, with the best removal of pollutant particles.

The Sleep Mode is a function to reduce the fan setting to the lowest, and therefore reduce the noise of Biota Bot #MM208 during your sleep.

With the normal ACH of 2X, this air purifier can cover up to 430 sq ft.

Here is the pros/cons of Biota Bot #MM208

PROS


  • True HEPA Filter, combine with Charcoal Filter and an UV Light Filter
  • Automatic Sensor
  • The Sleep Mode is a gold feature
  • 3-year warranty

CONS


  • Noisy at highest setting

9) Honeywell True HEPA Allergen Remover HPA300

When you find an air purifier for your allergy and asthma issues, you may want to find the best True HEPA Air purifier. And one of the best brand (also in Top Fortune-100 company) is Honeywell with their featuring Honeywell HPA300.

  • Filters: True HEPA filter + Activated Carbon filter + UV-C Light filter
  • The silence: Quiet at lowest settings
  • ACH: 2X-4X ACH

best air purifiers for allergies and asthma

This air purifier is also featured in Top 10 Best Air purifiers of Breathe Quality in 2018. Because Honeywell HPA300 is one of the best air purifier with True HEPA filter, which can even capture the 0.3 microns viruses. Combine with an Activated Carbon filter, Honeywell HPA300 is actually an True HEPA Allergen Remover.

However, the silence of this air purifier is only good at low settings. Many reviewers record that it is quite noisy at high settings.

With an ACH of 2X to 4X, Honeywell HPA300 is good with CADR of 320/300/300 for Dust/Pollen/Smoke. Its coverage is up to 465 sq ft.

Here is the pros/cons of Honeywell HPA300

PROS


  • Great True HEPA Filter
  • Automatic shut off
  • Control panel light dimmer
  • 5-year warranty

CONS


  • Quite noisy at highest settings
  • Button is hard to push
  • Many experiences of bad smell

10) LEVOIT LV-PUR131 Air Purifier

With Levoit LV-H132 is the #1 Amazon Best Seller for air purifier, it’s time to test the flagship of Levoit brand – the Levoit LV-PUR31 Air purifier.

  • Filters: True HEPA filter + Activated Carbon filter
  • The silence: Very quiet with Sleep Mode
  • ACH: 2X ACH

best air purifiers for allergies and asthma

With 1 pre-filter, 1 True HEPA filter and 1 Activated Carbon filter, you could rely on Levoit LV-PUR31 like others are listing here, because this is one of the best air purifiers for allergies and asthma. There must be a reason for Levoit LV-PUR31 to be the #1 Amazon Best seller for Home Charcoal Air purifier, right?

Expert tips: Charcoal filter is another name of Activated Carbon filter.

The silence of Levoit LV-PUR31 is also one golden feature, with the noise is one step lower than other air purifiers at highest settings and a Sleep Mode, Levoit LV-PUR31 is certainly the chosen one for those who have trouble with sleeping.

The ACH is 2X, with a CADR of 135 cfm, LV-PUR31 can cover up to 328 sq ft.

Like other high-end air purifiers, LV-PUR31 has a Smart Sensor called Air Quality Indicator. This helps adjust the fan speed to save energy when not using.

Here is the pros/cons of Levoit LV-H132

PROS


  • True HEPA Filter
  • Smart Sensor
  • Quiet
  • 2-year warranty

CONS


  • Motor becomes hot after months of using

Related post: Best air purifiers for bedroom.

What are allergies and asthma?

1) Allergies

An allergy is a sensitivity in your immune system. They are common and can’t be cured.

The most common allergies are hay fever, allergic asthma, food allergies and allergies from airborne allergens.

Airborne allergens can be dust, dust mites, pollen, mold, fungi spores, pet dander, pet hair, tobacco smoke and a numerous of other pollutants.  These airborne particles range in size from 0.3 microns and larger.

2) Asthma

Loss of breath, dizziness, wheezing, and coughing are a few symptoms of an asthma attack and can be very dangerous for who suffer from asthma.

Asthma is a common respiratory condition in adults and children that can be passed on genetically or developed throughout life. An asthma attack occurs when a sufferer’s airways to the lungs become narrowed and inflamed.

The main triggers of an asthma attack include contaminant particles such as pollen and dust, as well as chemicals like paint fumes and tobacco smoke.

Why air purifier is necessary for allergies and asthma?

Most of the causes of allergies and asthma are from airborne contaminant particles, which can be reduced ultimately with a best air purifier for allergies and asthma.

Remember, the better you can remove the airborne pollutant particles, the better life you will have without allergies and asthma.

Important Note: Allergies and asthma causes are varied, not just by airborne particles. So air purifier can not be a substitute to other necessary treatments.

Terminology and Definition for best air purifiers for allergies and asthma

For the complete buying guide, you can read here.

Pre-filter – An essential feature of air purifiers that use a HEPA style filter. The pre-filter captures the large dust and pet dander to help prolong the life time of the main filter. Most pre-filters are washable and reusable and last a lifetime.

True HEPA Filter – This is the highest standard air filter you can get for a best air purifier. In order to carry this label, the filter must meet strict regulations set by the United States Department of Energy (DOE) and capture at least 99.97% of particles as small as 0.3 microns. A true HEPA filter needs to be replaced after 6 months to 1 year, and you should use the suitable replacement for your air purifiers.

Activated Carbon (or Charcoal) Filter – This filter can absorb odorous particles and gases. That’s why it can remove the smells produced by smoke, pets, cooking, chemicals, etc.

Ionic Filter (or Ionizer) – This filter emits negative ions to charge small particles like dust, pollen and bacteria and collect them into a plate.

UV-C Light – The Ultra Violet light destroy bacteria and virus by sterilizing them. The UV-C Light (UV Light type C) is harmless to human.

Advanced BioGS HEPA Filter – A technology from Rabbit Air, to help prolong the life of the main True HEPA filter.

ACH – Stands for “Air Changes Per Hour”, tells you how many times the device can exchange the air within a room with clean, fresh air every hour.

CADR – Stands for “Clean Air Delivery Rate”, tells exactly how well an air purifier can clean the air within a particular size room.

We hope this list of best air purifiers for allergies and asthma is good for you. Hope you a healthy life. Thank you!

Best Air Purifiers for Allergies and Asthma in 2018
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