Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Do Air Purifiers Help With Cat Allergies? Vet Reviewed Facts & FAQ

Share

Close up of a Fluffy Cat Sitting Next to Air Purifier

Though around 70% of U.S. households have a pet, many people suffer from animal allergies.1 A whopping 10 to 20% of the world’s population has allergies to cats and dogs. If you’re part of these statistics and want to live more comfortably with your pet, an air purifier might be just the thing, as most filter air purifiers will definitely reduce cat allergens in your home.

Read on to learn more about how an air purifier can help with your cat allergies.

divider 3 paws

What Causes Pet Allergies?

Many people believe that it’s their furry friend’s fur coat that they’re allergic to, but this isn’t the case. Allergic reactions to cats occur when people are exposed to the specific proteins in animals’ skin cells, urine, and saliva.

Most symptoms are triggered when an allergy sufferer encounters dander – the flakes of skin that animals shed. Dander is not unlike the dandruff that humans get.

Woman sneezing beside a cat
Image By: Motortion Films, Shutterstock

Can an Air Purifier Help With Pet Allergies?

Most filter air purifiers will reduce how many pet-related allergens are around your home, waiting to cause an allergic reaction. Your pet’s dander is often floating through your air, waiting to attach itself to anything. It’s generally recommended that pet-owning allergy sufferers avoid dander-catching furnishings like cloth curtains and carpets, just to give you an idea of where that sneeze-causing dander can lurk.

A filter air purifier will draw the air in from the room it is in, filtering, trapping, and destroying this dander so you can live much more comfortably alongside your furry pal. Once the air has been filtered and cleaned of potentially harmful particles, it’s redistributed back into the room.

In addition, studies suggest that HEPA air purifiers can also reduce dust mite allergens and lower particulate matter concentrations.

divider 3 paws

What Type of Air Purifier Is Best?

There are countless air purifier types and models on the market, so how can allergy sufferers know which will work best for their needs?

While all filter air purifiers will address pet dander to some degree, the best options for folks with animal allergies are those with true HEPA filters, which are much more effective at removing dander from the air. According to the U.S. Environmental Protection Agency, HEPA filters will remove 99.97% of particles that are 0.3 microns in size.

It’s important to note that an air purifier isn’t a cure-all. It likely won’t entirely eradicate your allergies, but it will reduce the allergen concentration in your home, hopefully alleviating some of your symptoms.

cat Dehumidifier
Image Credit: Mariia Boiko, Shutterstock

What Else Can Help With Pet Allergies?

An air purifier shouldn’t be your only line of defense in dealing with allergies. You can do several other things in conjunction with investing in an air purifier to help minimize the allergens in your home.

Make one room pet-free. We recommend declaring your bedroom as a cat-free zone. You spend a good portion of your day in your bed, so the less dander and allergens you have floating around in there, the better.

Vacuum and dust often. Dander will stick to all the cloth furnishings in your home, so regular, detailed cleaning will go a long way in addressing your allergy symptoms.

Bathe your cat. Regular baths can reduce how much dander your cat sheds. Only use products labeled specifically for cats. Not all cats will be open to this idea, so use your best judgment in deciding if bathing your cat is worth the trouble. Regularly wiping down your cat might be a better option.

Consider immunotherapy. You may be able to “train” your immune system to be less sensitive to the allergens that trigger your symptoms. Immunotherapy is delivered through a series of allergy shots once or twice weekly. These shots will expose you to small doses of the allergen over several months.

cat near vacuum
Photo Credit: Mr_Mrs_Marcha, Shutterstock

Can Air Purifiers Help With Pet Odors?

As if removing the dander from your air wasn’t enough, an air purifier can also reduce the pet-related odors in your home. If you’re also looking for a solution for pet odors, try to find a purifier with a carbon filter.

Carbon filters are made of a sponge-like bed of activated carbon. They work through a process known as adsorption. Adsorption occurs when molecules attach themselves to an external surface rather than being absorbed.

divider 3 paws

Final Thoughts

Though you shouldn’t expect an air purifier to miraculously cure your cat allergies, it may be worth investing in one to alleviate some of the allergen concentrations in your home. Remember to search for a purifier with a HEPA filter, or check out our air purifier buying guide to see which models we recommend.


Featured Image Credit: Anna Hoychuk, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.




How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.


Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

Why Your Cat’s Poop Smells Like a Biohazard

Nobody enjoys litter box duty, but sometimes it gets unbearable. The smell hits you from across the room. You’re scooping faster, lighting candles,...

RIP Your Furniture? Not With This Guide to Cat Scratch Damage Control

Your couch looks like it survived a minor apocalypse. The curtains have mysterious vertical shreds. That new rug you splurged on is already...

Celebrating 15 Years as the Most Popular Resident of No. 10 Downing Street

For almost 300 years, a rather unassuming Georgian building of black bricks with a shiny black door has been the official residence and...

Ask Dr. Paola – Help! My Kitten Pukes After She Eats! (March 2, 2026)

Welcome to our “Ask Dr. Paola” series, where every Monday we bring expert advice straight from Dr. Paola Cuevas (MVZ) to help our...

More related

Egyptian Mau Cat Breed: Info, Pictures, Temperament & More

You’ll notice the Egyptian Mau right away because of their stunning silvery coats and gorgeous eyes. You might wonder just what this cat...

Can Cats Be Vegetarian? Vet Explained Health Concerns

While a complete and balanced vegetarian diet may meet a human’s nutritional needs, this is not true for cats. Felines are obligate carnivores,...

100+ Black Cat Names: Unique & Fun Ideas

Black cats are some of the most majestic felines. With piercing yellow or green eyes, these cats are true standouts. Should their beauty...

Vet Clinic Is Closed, What Do I Do? 5 Vet Approved Steps & Options

Whether your pet has been involved in an accident, eaten something they shouldn’t, or has come down with some mysterious illness, an owner’s...

Keep reading

How to Calm a Cat Down: 8 Vet-Approved Ways

Anxiety or stress in cats is sometimes less apparent than in dogs. Cats can experience uncomfortable situations that bring about anxiety or hyperarousal, such as thunderstorms, fireworks, a move to a new home, a new family member, and other circumstances....

woman-with-ragdoll-cat

Cat Flu: Causes, Signs & Treatments (Vet Answer)

Your cat has what you can only describe as the sniffles. They have a runny nose and watery eyes, and you’re sure you just heard a sneeze. Do cats get the flu? Let’s take a look at cat flu and...

Domestic gray fluffy purebred Maine Coon cat with green eyes

Can Cats Eat Hot Sauce? Vet-Verified Safety Guide

Knowing what your pet can and can’t safely eat is part of your responsibility as a pet owner. Unfortunately, no matter how careful you are, cats have their own mind. Sometimes they eat things that they shouldn’t, and smelly human...

Can Cats Eat Hot Sauce

Does My Cat Need a Cat Bed? Vet-Reviewed Facts & FAQ

If you’re a cat owner, you know how important it is to provide the best possible care for your pet. One way to make sure your cat is comfortable and feels safe and happy is to provide them with an...

tabby cat on bed

What Foods Are Toxic to Cats? 16 Everyday Items (Vet Reviewed)

Cats are different from dogs. Dogs will eat anything that touches the ground. But cats? They’re a bit pickier. Still, some cats are little garbage disposals and get into all kinds of forbidden snacks in the kitchen. To avoid a...

grapes, wine and cheese

Basepaws Cat DNA Test Review: Pros, Cons, FAQ & Verdict

Have you ever wondered about the breeds that make up your cat? Or wondered what potential health problems your pet might face in the future? If you have, you’ll be thrilled to learn about the Basepaws at-home cat DNA test!...

Basepaw Cat DNA Test

9 Best Flea Treatments for Kittens (2026) – Reviews & Top Picks

Bringing your fluffy new kitten home is an incredibly exciting time. However, you must ensure that the kitten doesn’t come with any unexpected visitors, like a load of fleas, for example! Choosing an effective and fast-acting flea treatment is essential...

applying flea treatment to cat

Why Do Cats Sometimes Drink Dirty Water? Vet-Verified Reasons, Risks & Prevention Tips

Some of the habits of our feline friends can perplex us as cat parents, which raises questions about their eating, sleeping, or grooming habits. For instance, even though your cat has a full and accessible water bowl, you’ll sometimes catch...

siamese cat drinking water

Love Cats? So Do We! Join the Catster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.




Sign up for the Catster Email Newsletter

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.