Top 5 Air Purifiers of 2026: A Data-Driven Comparison

Looking for the best air purifier in 2025? This in-depth comparison reviews five leading models — including JASPR, Dyson, Molekule, IQAir, and AirDoctor — based on filtration technology, CADR ratings, room coverage, and overall value. Rather than relying on marketing claims, this guide focuses on measurable specifications to help you choose the right purifier for allergies, smoke, pet dander, or general indoor air quality concerns. If you're researching HEPA filtration, smart features, or large-room performance, this side-by-side breakdown will help you make a practical and informed decision.