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Best air purifiers for allergies 2022

The best air purifiers for allergies can make your day to day life easier if you struggle with allergies or sensitivity to airborne pollutants like pollen, by removing these irritants from your indoor air. Those with allergies tend to experience respiratory symptoms when triggers are present in the air, but one of the benefits of an air purifier is that it can be a great tool for alleviating some of these symptoms.

What the experts say

“Although we cannot see them, there are many different particulate matters in the air. Some examples are dust, pollen, mold, smoke, and airborne bacteria and viruses. Most of these airborne particles are allergens, that is, the triggers of asthma and allergies.” – Dr Wei-Ning Wang (opens in new tab), aerosols expert and associate professor at Virginia Commonwealth University.

You will notice that most of the air purifiers in this guide contain a High Efficiency Particulate Absorbing (HEPA) filter, which can help with allergies by trapping 99.97% of indoor air pollutants down to 0.3 microns in size. For context, particles of pollen tend to be 10 to 200 microns in size, a piece of dust mite feces is 10 to 40 microns, and pet dander is generally 5 to 10 microns. With this in mind, an air purifier with a HEPA filter is capable of removing almost all of the major allergens from the air. 

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