Who is the Blueair - Blue Pure 311i+ Max for?
Budget-tier air purifier. The 61.3 score sits in C-tier (58-67) — the formula flags meaningful weaknesses against premium peers.
Reasonable if cost is the deciding factor and the spec weaknesses don't matter for your use. Check the spec table below carefully before buying.
Mars Score is computed from 7 measured specs against the transparent formula for the air purifiers category. No editorial picks, no paid placement.
Pros and cons at a glance
- ▲True HEPA H13+ — supported.
- ▼Coverage: 35 m² (below category average).
Pros are specs scoring ≥75% of the category normalization range. Cons are ≤35%. Derived from the Mars Score formula — no hand-curated lists.
At a glance
- CADR
- 500m³/h
- Coverage
- 35m²
- True HEPA H13+
- true
- Min noise
- 23dB
All specifications
Performance
- CADR
- 500 m³/h
- Coverage
- 35 m²
- True HEPA H13+
- true
- Activated carbon
- true
Smart & Noise
- Min noise
- 23 dB
- Air quality sensor
- true
- Smart app
- true
Latest from the lab
All lab reports →Popular comparisons featuring the Blueair - Blue Pure 311i+ Max
Top 8 closest matchups in the Air Purifiers category. Sorted by Mars Score proximity — these are the fights most worth your time.
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