Best 2025 Air Purifiers for CADR rating

#1 Blueair Blue Signature
4.8

CADR evidence was very strong, with reviewers highlighting unusually high ratings and huge processing power for the category.

Pros: pollen removal, CADR rating

Cons: VOC sensor accuracy, durability

#2 Coway Airmega 350
4.6

CADR evidence was strong, with reviewers calling the rating very good and tying it to high large-room performance.

Pros: particle removal effectiveness, air changes per hour

Cons: app connectivity, safety certifications

#3 Winix 5510
4.4

CADR-related evidence was positive at top speed, with reviewers citing strong clean-air delivery and competitive raw performance.

Pros: ozone-free operation, safety certifications

Cons: child lock, PM2.5 detection

#4 HEAPETS P358
4.2

Only one detailed reviewer mentioned the CADR rating, and they framed it as part of a compact purifier that performed well. There is not broad customer discussion of measured airflow...

Pros: value for money, breathing relief

Cons: durability, listing accuracy

#5 Winix 5520
3.8

Review evidence for CADR rating is mixed, based on opinionated comments from 1 source review(s).

Pros: air purification performance, particle removal effectiveness

Cons: VOC sensor accuracy, display readability

#6 Coway Airmega 50
3.8

CADR is modest but respectable for a purifier this small. It competes in the mini category, while larger purifiers still offer more cleaning headroom.

Pros: ozone-free operation, breathing relief

Cons: reliability, customer support

#7 Blueair Mini Restful
3.3

CADR impressions are split. One owner praises its CFM for travel, while others point out that its CADR trails stronger Blueair alternatives.

Pros: pet dander removal, energy efficiency

Cons: durability, condition on arrival

#8 Dyson HushJet Compact
3.0

Review evidence is moderate or context-dependent.

Pros: particle removal effectiveness, maintenance ease

Cons: VOC sensor accuracy, filter availability