Blueair - Blue Pure 311i+ Max vs IQAir - HealthPro Plus
Between the Blue Pure 311i+ Max and HealthPro Plus, the Blue Pure 311i+ Max comes out ahead in cadr and min noise, while the HealthPro Plus wins on coverage. Overall, the Blue Pure 311i+ Max scores 61.3 and the HealthPro Plus scores 77.7 on our Mars Score.
Which should you buy?
The HealthPro Plus is the clear pick on raw spec strength, leading by 16.4 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Blue Pure 311i+ Max if you care most about cadr and min noise. The biggest gaps in its favor are cadr, min noise.
Pick the HealthPro Plus if you care most about coverage. Its strongest claims are coverage.
Both ship with comparable true hepa h13+, activated carbon, so those specs don't separate the two — focus on the differences below.
Bottom line: the HealthPro Plus is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Blueair - Blue Pure 311i+ Max wins
- ▲CADR — 6.38% more. 500 m³/h vs 470 m³/h.
- ▲Min noise — 2.00 dB less. 23 vs 25.
Why IQAir - HealthPro Plus wins
- ▲Coverage — 142.86% more. 85 m² vs 35 m².
Spec comparison
Performance
| Spec | Blueair - Blue Pure 311i+ Max | IQAir - HealthPro Plus |
|---|---|---|
| CADR | 500 m³/hlead | 470 m³/h |
| Coverage | 35 m² | 85 m²lead |
| True HEPA H13+ | true | true |
| Activated carbon | true | true |
Smart & Noise
| Spec | Blueair - Blue Pure 311i+ Max | IQAir - HealthPro Plus |
|---|---|---|
| Min noise | 23 dBlead | 25 dB |
| Air quality sensor | truelead | false |
| Smart app | truelead | false |
Frequently asked
Spec-level deep dives
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