Between the Blue Pure 311i+ Max and Air Pro, the Blue Pure 311i+ Max comes out ahead in min noise and true hepa h13+, while the Air Pro wins on coverage. Overall, the Blue Pure 311i+ Max scores 61.3 and the Air Pro scores 81.6 on our Mars Score.
Which should you buy?
The Air Pro is the clear pick on raw spec strength, leading by 20.3 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 min noise and true hepa h13+. The biggest gaps in its favor are min noise, true hepa h13+.
Pick the Air Pro if you care most about coverage. Its strongest claims are coverage.
Both ship with comparable cadr, activated carbon, so those specs don't separate the two — focus on the differences below.
Bottom line: the Air Pro 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
- ▲Min noise — 7.00 dB less. 23 vs 30.
- ▲Has True HEPA H13+.
Why Molekule - Air Pro wins
- ▲Coverage — 165.71% more. 93 m² vs 35 m².
Spec comparison
Performance
| Spec | Blueair - Blue Pure 311i+ Max | Molekule - Air Pro |
|---|---|---|
| CADR | 500 m³/h | 500 m³/h |
| Coverage | 35 m² | 93 m²lead |
| True HEPA H13+ | truelead | false |
| Activated carbon | true | true |
Smart & Noise
| Spec | Blueair - Blue Pure 311i+ Max | Molekule - Air Pro |
|---|---|---|
| Min noise | 23 dBlead | 30 dB |
| Air quality sensor | true | true |
| Smart app | true | true |
Frequently asked
Spec-level deep dives
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