Health and Home – Air Purifiers for Allergies Written by: Claire Koeppel Updated: 2025-02-17 Read time: 7 minutes When customers tell us that allergies are a top concern, we listen – and get to work finding the best home air purifiers for allergies. The results are in, and our expert air purifiers research team has found the 5 best air purifiers for allergies, based on criteria such as effectiveness, coverage, warranty, and overall value for the cost. Common allergens, like pollen, mold, and dust mites can wreak havoc on the immune system, but the best air purifier brands and models are proven to reduce symptoms of allergies by helping to improve your indoor air quality, whether in bedrooms, living rooms or another space. See which allergy air purifiers are rated best by our researchers. Table of Contents HEPA Air Purifiers for Allergies Pollen causes misery around the world for people who suffer from seasonal allergies – and air purifiers for allergies can help, but other steps can be taken, too. Since pollen can easily become airborne, it can be tracked by people, animals, or simply a gust of wind – so it’s important to pat pets down after a walk and keep doors closed. The allergens recirculate inside and are a threat to any resident with sensitivities to pollen particles from trees, grass, and weeds. Given the time of year, you may have everything from tree pollen, grass pollen, weed pollen, or mold spores in your air – something the right HEPA air purifiers can filter out. Best Air Purifiers for Allergies Alen BreatheSmart 75i Buy Now Blueair Pure 211i Max Buy Now IQAir HealthPro Plus Buy Now Honeywell Allergen Plus HPA200 Buy Now Levoit Core Mini Buy Now What Is Causing Your Irritation? It is hard to imagine that a microscopic particle in the air can give a person so many unpleasant symptoms, but pollen is a powerful allergen that your body sees as a threat to your immune system. HEPA air purifiers can trap almost 100% of these particulates. Air purifiers for allergies can reduce your body’s reaction, a mild case of hay fever, which may include bouts of stuffy or runny nose, itchy and watery eyes, sneezing, and coughing. Mild hay fever can affect people at certain times of the year. Since pollen is one of the most widespread and prolific particles, it is best to choose an air purifier designed to reduce symptoms of allergies. How an Air Purifier Relieves Allergies Allergens like pollen, dust mites, mold spores, and pet dander are microscopic particles that can remain airborne for long periods, triggering allergy symptoms when inhaled. Air purifiers help by continuously filtering the air, removing these irritants, and improving indoor air quality. Choosing the right filtration system is key to effectively reducing allergens in your home. Role of HEPA Filters in Trapping Allergens High-Efficiency Particulate Air (HEPA) filters are the gold standard for allergy relief. These filters are designed to capture at least 99.97% of particles as small as 0.3 microns, including common allergens like: Pollen – Seasonal allergies are often triggered by airborne pollen from trees, grass, and weeds. HEPA filters trap these tiny particles before they can circulate in your home. Dust Mites – Found in bedding, furniture, and carpets, dust mites are a leading cause of indoor allergies. A HEPA air purifier helps reduce their presence. Pet Dander – Even if you clean regularly, pet dander lingers in the air. HEPA filters effectively remove these allergens to make breathing easier. Mold Spores – Mold thrives in damp areas and releases spores that can worsen allergies and respiratory conditions. A HEPA air purifier captures these spores, preventing them from spreading. By continuously filtering the air, HEPA purifiers help allergy sufferers experience fewer symptoms, including sneezing, congestion, and itchy eyes. Read our review of the Best Air Purifier for Allergies Read more Add Carbon to Your Air Purifier if You Also Have Asthma For those with family members who suffer from allergic asthma in addition to severe allergies, an air purifier that includes activated carbon can prove even more beneficial than a HEPA filter alone. The carbon in the home air purifiers removes odors that can trigger allergic symptoms in cases where people suffer from severe allergies and allergic asthma. For severe allergy sufferers, the best way to ensure clean and safe indoor air is by using these air purifiers for dust and allergies in the bedroom and living room where you spend the most time. We review many effective models of air purifiers for allergies and pollen removal. We know that the best performing air purifiers employ HEPA filtration, and we are committed to helping our customers improve the quality of their indoor air. When you tackle the source of the problem – your air – with air purifiers, you can breathe better. Where to Place My Air Purifiers? Proper placement of your air purifier is key to maximizing its effectiveness. By positioning it strategically, you can ensure that it captures the highest number of allergens and pollutants, improving the air quality throughout your home. Best General Locations for Air Purifiers in the Home Bedrooms – Since we spend several hours sleeping in our bedrooms, this is one of the most important places to have an air purifier. Placing one near the bed, but not directly against a wall, helps keep allergens like dust mites and pollen at bay while you rest. Living Rooms – These high-traffic areas accumulate pet dander, dust, and other allergens. Positioning an air purifier near seating areas ensures cleaner air where your family spends the most time. Nurseries and Kids’ Rooms – Babies and young children are more sensitive to allergens, making it crucial to place an air purifier in their room. A quiet, HEPA-equipped purifier should be placed away from cribs but close enough to circulate clean air effectively. Home Offices – If you work from home, an air purifier can help reduce dust and improve air quality, keeping you more focused and comfortable. Entryways and Hallways – These areas act as pathways for outdoor pollutants. An air purifier near the entrance can help capture allergens like pollen before they spread throughout the house. Placement Tips for Maximum Effectiveness For maximum effectiveness, place your air purifier in an open area with at least 6-12 inches of space around it to ensure proper airflow and circulation. Avoid placing it too close to walls, large furniture, or in tight corners, as these obstacles can block airflow and reduce its efficiency. If allergens like pet dander are a concern, position the purifier near pet bedding or favorite lounging spots to capture particles before they spread. For pollen control, place it near entry points like windows or doors where allergens can enter your home. Elevating the air purifier on a table or stand can also enhance its performance, especially in bedrooms and living rooms. Lastly, to maximize allergy relief, position the unit near the areas where you spend the most time, such as next to your bed for better sleep or near your couch in the living room for cleaner air while you relax. By following these placement tips, you can significantly improve indoor air quality and reduce allergy symptoms more effectively. Recommended Air Purifiers If your household includes family members who suffer from severe allergies, you’ll experience better results with a premium air purifier designed specifically to address your allergy concerns. Two air purifiers that provide the best combination of features and effectiveness are the Alen BreatheSmart 75i and the Blueair Blue Pure 211i. These models have advanced HEPA filtration that can remove particles as small as 0.3 microns, but come with countless other benefits from customizable styles, smart sensors (on BreatheSmart) and Alen’s Forever Guarantee. Alen BreatheSmart 75i Buy Now Blueair Pure 211i Max Buy Now IQAir HealthPro Plus Buy Now Honeywell Allergen Plus HPA200 Buy Now Levoit Core Mini Buy Now More Allergy Resources How Many Air Purifiers Do You Need in a House? What Happens If You Take Antihistamines for Too Long? Does Not Drinking Water Make Allergies Worse? Can You Reverse Allergies? What Size Air Purifier Do I Need for 1000 sq ft? What is a HEPA Filter?