Home › Large (250–399 CADR) › Blueair Blue Pure 311 Auto
Blueair Blue Pure 311 Auto
Efficient medium-room unit; superseded by the 311i Max.
Ratings
Spec-based rating. No independent measurement has been logged for this air purifier yet, so the score uses manufacturer specifications and price. How that works.
Each rating places this unit among the others on a 0.5–5 scale, within its room-size class for the measures that scale with size and across the whole catalog for the rest. Weighted together they give the overall 3.7. Formula and weights.
Specifications
- Smoke CADR
- 250 cfm
- Dust CADR
- 250 cfm
- Pollen CADR
- 250 cfm
- AHAM room size
- 388 sq ft
- Maker's room size
- 388 sq ft
- Max power
- 30 W
- Noise (low / high)
- 24 / 50 dB
- Filter cost
- $60
- Filter life
- 6 months
- Filters per year
- $120
- 5-year cost of ownership
- $800
- True HEPA
- Yes
- Activated carbon
- 0.2 lb
- Auto mode (PM2.5 sensor)
- Yes
- App
- No
- Washable prefilter
- Yes
- AHAM Verifide
- Yes
- Energy Star
- Yes
- Weight
- 8.0 lb
- Released
- 2021
Independent measurements
None logged yet. We only record numbers from published tests, each with a link to its source. The reviewers and labs we track. Know of a test we've missed? Tell us.
How it compares with its neighbors
| # | Model | Smoke CADR | Dust | Pollen | W | dB max | Filters/yr | $/CADR | Score |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Dreo Macro Pro | 258 | 260 | 258 | 40 | 53 | $100 | 0.5 | 4.1 |
| 2 | Levoit Core 400S | 260 | 242 | 250 | 38 | 52 | $100 | 0.7 | 3.8 |
| 3 | Blueair Blue Pure 311 Auto | 250 | 250 | 250 | 30 | 50 | $120 | 0.8 | 3.7 |
| 4 | Blueair Blue Pure 311i Max | 250 | 321 | 250 | 36 | 50 | $120 | 0.7 | 3.7 |
| 5 | Levoit EverestAir | 360 | 340 | 350 | 49 | 52 | $160 | 1.1 | 3.7 |
| 6 | Coway Airmega 300 | 300 | 300 | 300 | 57 | 52 | $110 | 0.9 | 3.6 |
Head-to-head: Dreo Macro Pro vs Blueair Blue Pure 311 Auto · Levoit Core 400S vs Blueair Blue Pure 311 Auto · Blueair Blue Pure 311 Auto vs Blueair Blue Pure 311i Max · Blueair Blue Pure 311 Auto vs Levoit EverestAir