10 Best Air Purifier 2026 in the United States

The LEVOIT Core 300-P air purifier is a solid choice for anyone looking to improve indoor air quality in medium to large rooms, covering up to 1,073 square feet. Its AHAM VERIFIDE certification means it’s been independently tested for reliable performance, offering a good Clean Air Delivery Rate (CADR) with 143 CFM for smoke, 153 CFM for dust, and 167 CFM for pollen. It uses a 3-in-1 HEPA filter that captures 99.97% of very small particles like pollen, dust, pet dander, and smoke, making it especially helpful for allergy sufferers or pet owners.

The Dyson Purifier Hot+Cool HP2 De-NOx is a versatile air purifier designed for rooms up to about 109 square feet, making it a good choice for bedrooms, offices, or smaller living spaces. It uses a fully sealed 3-stage HEPA H13 filter, which effectively captures 99.97% of tiny particles as small as 0.3 microns, including pollutants like nitrogen dioxide (NO₂), formaldehyde, odors, and gases. This makes it especially suitable for people concerned about indoor air quality and chemical pollutants.

The PuroAir 240 HEPA Air Purifier is designed for large rooms up to 1,000 square feet, making it a solid choice for living rooms, bedrooms, or open-plan spaces. Its three-layer filtration system—including a pre-filter, HEPA filter, and activated carbon—effectively captures up to 99.9% of pollutants like dust, pollen, smoke, and even very tiny particles. This makes it particularly helpful for people with allergies or sensitivities to smoke and pet dander.