Blueair Blue Pure 511i Max
Smart air purifier · $118.99 · price checked 2026-08-24 · editorial score 80/100
Spec sheet
| Room size | 465 ft² at 4.8 ACH |
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| CADR ✓₂ | smoke 153, dust 159, pollen 174 cfm ✓₂ |
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| Ozone status ✓₂ | CARB-certified (Electronic) — list entry Blue Pure 511i Max, model code 3132111100, certified 2024-04-23, approval G-24-078; Blueair's product page makes no additional ozone statement. |
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| Filter type | HEPASilent (Blueair) |
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| Filter stages | Washable fabric pre-filter, Particle+carbon filter |
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| Noise | 19–48 dB |
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| Sensors | PM2.5/air-quality |
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| Auto mode | Yes |
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| App / ecosystem | Blueair app |
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| Voice | Alexa, Google Assistant |
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| Humidifier combo | No |
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Offer
$118.99
Price checked 2026-08-24
In Stock
Buy link unavailable
Link withheld pending verified Associates account (compliance fail-closed).
Scraped from the live listing on 2026-08-24; point-in-time price, not an offer.
CADR — Clean Air Delivery Rate (dual-sourced)
153 cfm smoke · 159 dust · 174 pollen (Blueair-stated)
- Blueair product page: “Clean air delivery rate (CADR): Pollen 174 cfm <br> Dust 159 cfm <br> Smoke 153 cfm”
- BreatheQuality review: “The CADR of the Blue Pure 511i Max is 159 Dust/ 153 Smoke/ 174 Pollen (cfm).”
Ozone emission status (dual-sourced)
CARB-certified (Electronic) — list entry Blue Pure 511i Max, model code 3132111100, certified 2024-04-23, approval G-24-078; Blueair's product page makes no additional ozone statement.
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Independent comparison. Prices are point-in-time scrapes from Amazon.com listings, not offers. CADR figures render only where two independent sources agree; ozone status is checked against the California Air Resources Board certified-device list. No health claims beyond manufacturer documentation.