Can Air Purifiers Help With Allergies?

If you suffer and are looking for the best ways to control its bad symptoms, then having an air purifier is the best solution. An air purifier can remove many airborne diseases, bacteria, viruses and other contaminants that cause allergies.

Can air purifiers help with allergies? Studies have shown that air quality at home is more polluted than outside, and that causes allergies and respiratory diseases. There are many ways to clean to reduce allergies, but having an air purifier is best to improve your home’s air quality and remove allergy toxins and contaminants.

Can Air Purifiers Help With Allergies?

Yes, studies have suggested that people who are suffering from allergies and living in an air-purifier environment have seen major relief in symptoms like coughing, sneezing, and congestion. For long-term allergies, patients might not even need to spend money on medication as an air purifier is enough treatment for this disease.

But you need to remember that the American Academy of Allergy, Asthma, and Immunology (AAAAI) says that an air purifier is only an integral part of controlling and curing allergies. AAAAI says that air purifiers might take a year to fully help people. But don’t worry. You can also take other precautions to control this, like keeping your home well-ventilated so it cuts down on indoor allergens.

Dr Ponda says

“air purifiers can be somewhat helpful” but you shouldn’t “expect a drastic improvement in symptoms.” but you shouldn’t “expect a drastic improvement in symptoms.”

This is because air purifier filters are best for checking small, tiny particles like airborne and pollen, but they are not best for catching bigger particles as they will not stick to the filter.

What is the best air purifier for allergies? 

What is the best air purifier for allergies? 

To choose the best air purifier for allergies for you, our experts have tested different factors like:

  • Size of the room
  • Type of allergens
  • Your budget

Can air purifiers help with allergies? Different air purifiers have different features, which is why our team has tested more than 60 air purifiers in the last 7 years. And here are the factors you must look for while choosing an air purifier for allergies:

A HEPA (High-Efficiency Particulate Air) Filter

Of course, an air purifier with a HEPA filter is the best for allergies. This filter is made up of multi-layered filters with tiny fibreglass threads. It helps him to catch smaller particles like plant pollen and pet dander from the air. According to the AAAAI, air purifiers with HEPA (High-Efficiency Particulate Air) filters are best for people with allergies.

A Carbon Filter: 

Carbon filters are best for capturing odours and gases from the air. It is beneficial for people with allergies as typical household smells from fragrances and cleaning products can also affect allergy patients. 

Clean Air Delivery Rate (CADR)

CADR, by its name, is the device that tells you how much air is filtered from your room at a certain time period. Different air purifier has different ranges and takes different times to clean a specific amount of air so you should always have a look at CADR that matches the room or area where it will be used.

Indoor Air Sensor

Some smart and expansive also have digital sensors, which give you real-time information about the indoor air quality. This feature can help you with allergies as you can see when air quality is bad and when you need to take action.

Do not trust any air purifier unquestioningly, as some air purifiers worsen allergies. Have a look at the description of the air purifier. Some air purifiers use different technologies:

  • Ozone
  • Ionic
  • Ionizer

These technologies make allergies worse.

Ozone-generating air purifiers

These air purifiers release ozone gas while purifying the air quality. Ozone gas, which is also referred to as “super oxygen” or “activated oxygen”, is not good for health and makes allergies worse while also causing other problems like lings damage. If you have an allergy, then you should avoid this kind of air purifier.

Air ionizers

Air ionizers make a chain reaction to eliminate toxins, pollens and toxins by electrically charging tiny particles. This is a good way to improve the air quality of the house, but it does not go well with allergy patients as it also releases ozone.

How do you use an air purifier for allergy relief? 

  • First, you need to look at your budget and then have a preference for what kind of air purifier is best for you and your home.
  • After buying the air purifier in your bedroom or a place where you spend most of your time.
  • If there is a place at your house where you think you have a lot of allergies, then putting your air purifier there is also a good option.
  • Turn on your air purifier and look at the display screen to see how bad the air quality is at your home.
  • If it’s not so bad, then run it for several hours.
  • If it is terrible and has a lot of allergens in the air (like springtime pollen), then you should let it run non-stop for days until it improves the air quality of your home.
  • Keep the door and window closed while you run your air purifier so no more allergens enter your house.
  • Also, read the instructions for the air purifier and follow the guidelines, such as filter replacement time and more.

Which is better for Allergies: Humidifier or Air Purifier?

A humidifier is a machine that moistens the air, and an air purifier can help a lot with allergies. It can help you with irritated throat or nose and also help with coughing and congestion.

But you should also make sure you use a humidifier in control. Its excessive use can give the perfect environment for mould growth and dust mites, worsening your allergies.

Other things you can do

Air purifiers can help you with allergies, but you should also take care of things that can affect or trigger your allergy. 

  • Avoid smoking.
  • Wash your pets regularly. 
  • Wash bedding, blankets, and soft toys regularly. 
  • Don’t use strong chemicals in your home.
  • Use a vacuum cleaner with a HEPA filter.  
  • Keep windows and doors closed.
  • Scrub bathrooms and basements.
  • To reduce indoor moisture use an air conditioner or dehumidifier.

Frequently Asked Questions

Yes, air purifiers with HEPA filters work very well to clean the air of allergens like pollen, pet hair, and dust. This often helps a lot with allergy problems.

The best air purifiers for allergies have HEPA filters because they catch very small particles. Also, purifiers with carbon filters are good because they remove smells and gases that can cause allergies.

Yes, some air purifiers that make ozone or use ionization can make allergies worse. It’s important to use an air purifier that does not make ozone.

To get the best results, keep your air purifier on all the time in the rooms where you are most often. This helps keep the air clean all the time.

Yes, keeping your house clean helps, too. This means washing your bedding often, using a vacuum cleaner with a HEPA filter, not smoking inside, and keeping windows closed when there’s a lot of pollen outside.


Can air purifiers help with allergies? According to our test and result, HEPA filters, an adequate clean air delivery rate (CADR), and carbon filter air purifiers are best for people with allergies. They remove and eliminate small particles like pollens, bacteria and other pollutants from the air, making it clean for patients. Even though an air purifier helps a lot, you should also consider other factors that can trigger and affect allergies.


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