Best air purifiers for smoke, allergies, pets, and odors in 2026

When you buy through our links, Business Insider may earn an affiliate commission. Learn moreWildfire smoke over NYC highlights exactly why a powerful air purifier is essential for protecting your indoor air quality.Samantha Crozer/Business InsiderBetween living with pets, a partner who deals with seasonal allergies, and an area that's prone to summer wildfire smoke almost every year, I've seen firsthand how much the right air purifier can matter. A good one can help capture airborne irritants such as dust, pollen, pet dander, and smoke particles, making your home feel cleaner and more comfortable, especially during allergy season or on days with poor outdoor air quality, which you can easily monitor by checking the Air Quality Index (AQI).Who should buy an air purifier depends on the home, but they're especially useful for allergy sufferers, pet owners, people who live near wildfire-prone areas, or anyone dealing with lingering cooking smells, smoke, dust, or musty air. The best air purifier for your needs also depends on the size of the room you plan to use it in. A compact model that works well in a bedroom won't be as effective in a large living room or open floor plan.To find the best air purifiers, we've tested over 50 models and prioritized robust filtration, easy maintenance, intuitive controls, and real-world performance over lab claims alone. Our top pick, the Coway Airmega AP-1521HH Mighty, has remained a trusted air purifier for years thanks to its reliable performance, straightforward design, and manageable upkeep. We also found models that are especially quiet, better suited for large rooms, helpful for homes with pets, effective against odors, and low-maintenance enough for anyone who doesn't want to replace a filter every few months. Editor's note: With the ongoing Canadian wildfires causing severe air quality conditions across the Northeast and Midwest, maintaining safe indoor air is more critical than ever. While we've updated this guide with our top-tested air purifiers and listed retailers where you can find them quickly, here is how you can protect yourself immediately if you cannot get a purifier right away:Build a DIY alternative: Try a temporary solution using a box fan and a MERV 13 filter.Mask up outdoors: If you must go outside, wear a KN95 Mask to filter out fine particulate matter.Seal your space: Keep windows and doors tightly closed and set your HVAC system to "recirculate" to prevent outdoor smoke from being pulled inside. Our picks of the best air purifiersBest overall: Coway Airmega AP-1521HH Mighty - See at AmazonBest budget air purifier: GoveeLife Smart Air Purifier 2 - See at AmazonBest air purifier for large rooms: Blueair Blue Signature (Large) - See at AmazonBest air purifier for bedrooms: Levoit Core300S-P - See at AmazonQuietist air purifier: Blueair Blue Pure 311i Max - See at AmazonBest air purifier for pets: Levoit Vital Pet Pro - See at AmazonBest low-maintenance air purifier: Shark BreatheClear Max - See at AmazonBest air purifier for odors: Oransi TrueCarbon 200C Air Purifier - See at Amazon Where to buy an air purifier, fastDue to demand, some of the best air purifiers we've tested may be out of stock, or shipping times could be delayed. Here's a breakdown of major retailers that sell air purifiers, their shipping timelines, and pickup options if you're in an emergent situation and need a solution quickly.Amazon: Toggle "Get it today" filters to see what's in stock near youInstacart: Delivery in as soon as an hour from surrounding retailers (depending on location), such as Target, Costco, Home Depot, Lowe's, or Best Buy.Wayfair: 2-day delivery, some next-day optionsTarget: 2-5 day shipping, in-store pick up, and same-day delivery availableWalmart: 3-day shipping, 2-hour in-store pickup for in-stock itemsThe Home Depot: 2-3 day shipping, some offer free next-day shipping and same-day delivery or pick-up for in-stock itemsLowe's: Browse by same/next day delivery or same-day pick upP.C. Richard & Son: Same-day delivery, in-store pickup, or delivery Best overall air purifier Coway BOGO special offer: Receive a free Airmega Aim 2-in-1 air purifier and fan (worth $150) with an AirMega air purifier purchase through July 24. A strong balance of performance to price. Above all else, an air purifier should have powerful air-cleaning capabilities, and the Coway Airmega AP-1512HH Mighty was among the fastest at removing pollutants such as dust, pollen, pet dander, and volatile organic compounds (VOCs). The compact size and portability also make this model ideal for moving around the house if you don't want to invest in several units. While it's not the sleekest model we tested, its performance, mixed with a reasonable price, makes it our top pick.The Coway outperformed other air purifiers in removing air pollutants like dust, smoke, and pet dander the fastest. It features an auto-mo

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