Is this an emergency? If you are experiencing serious medical symptoms, please see the National Library of Medicine’s list of signs you need emergency medical attention or call 911.

It's not just people with allergies or asthma who might want to use an air purifier — anyone who lives in a region with wildfires will also benefit.

Image Credit: LIVESTRONG.com Creative

Image Credit: LIVESTRONG.com Creative

  • How We Chose
  • Best for Allergies
  • Best for Mold
  • Best for Pets
  • Best for Smoke
  • Best for Large Rooms
  • Best for COVID-19
  • What to Look For
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Turns on automatically as needed Doubles as a fan Provides insights via an app

Pricier option

HEPA filter Quiet

Does not have an app

Contains washable pre-filter Handily traps animal hair

Requires upkeep

Multi-layered filtration Budget-friendly Covers up to 1,000 feet

High setting is noisy Doesn’t have HEPA filter

Suitable for large spaces Has HEPA filter At-a-glance air quality monitor

No nighttime mode for lights on machine

Portable design Quiet Traps viruses, allergens and irritants

Some people have difficulty connecting to WiFi

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