The Best Air Purifier for Allergies of 2025, Picked by 5 Leading AIs

"Dual-intake sealed True HEPA with substantial carbon removes fine allergens exceptionally well; quiet (about 22-52 dB) with Auto mode, washable prefilters, 12-month Max2 filter replacements, and coverage up to 1,560 sq ft (2 ACH). Real-time PM2.5 sensor, app control, and a high-power Clean mode help squash pollen and dust spikes."

"Features medical-grade HyperHEPA filtration that captures 99.5% of particles down to 0.003 microns, operates quietly at 25-59 dB, covers up to 1,125 sq ft, and includes specialized V5-Cell gas phase filter for chemical sensitivities common in allergy sufferers."

"This unit offers unparalleled medical-grade air purification with a HyperHEPA filter capturing ultrafine particles down to 0.003 microns, far exceeding standard HEPA. Its high-capacity filters require less frequent replacement, and its 2025 edition features a quieter fan design, making it the ultimate choice for severe allergy sufferers despite its premium price."

"It ranks highest due to its true HEPA filter capturing 99.97% of allergens down to 0.3 microns, very low noise levels at 22 dB on low, and filters needing replacement every 12 months with easy maintenance. It covers up to 1,560 sq ft and features an air quality sensor for real-time allergy monitoring."

"Ranked #1 for its HEPA H13 filtration, capturing 99.95% of allergens, ultra-quiet operation (24dB), and smart features like air quality monitoring. Covers up to 800 sq ft with a unique sealed design preventing particle leakage."