Valentina L.Verified
Great performance and nice design. Would love more colour options.
Blueair
Blue 511i Max
Our smallest smart air purifier. Advanced air purification that's quiet enough for nap time yet powerful enough for allergy season.
$131.00
In Stock: Delivered within 2-5 business days
Key Features
- HEPASilent Dual Filtration — 99.97% particle removal
- 360° Air Intake — Floor or table placement
- Cleans 18 m² in 12.5 min / 43 m² in 30 min
- Auto Fan Speed Adjustment
Key Features
Engineered for Pure Air
Our smallest smart air purifier. Advanced air purification that's quiet enough for nap time yet powerful enough for allergy season.HEPASilent Dual Filtration — 99.97% particle removal
360° Air Intake — Floor or table placement
Cleans 18 m² in 12.5 min / 43 m² in 30 min
Auto Fan Speed Adjustment
Welcome Home Feature — Auto on/off
RealTrack Technology® — Filter monitoring
Whisper-Quiet — 19–48 dB
Wi-Fi, Blueair App, Alexa & Google Home
Compact & Smart
Our Smallest Smart Air Purifier
The Blue 511i Max is quiet enough for nap time yet powerful enough for allergy season. Place it on the floor or table — its 360° design fits seamlessly anywhere.
HEPASilent Dual
4 Layers Remove 99.97% of Pollutants
HEPASilent™ Dual Technology
Combines electrostatic and mechanical filtration to capture pollen, dust, smoke, viruses, bacteria, and allergens faster and quieter than traditional HEPA.
Welcome Home Feature
Automatically turns the purifier on when you're near and off when you leave, so your family always returns to a clean, safe environment without extra effort.
Kid-Friendly
Safe & Sound for the Whole Family
Equipped with a compact, rounded shape, display lock, and sound level as low as 19 dB — designed to fit seamlessly into any room without sharp edges, making it safe for children's bedrooms or play areas.
Smart Connected
Blueair App & Smart Home Integration
Monitor indoor & outdoor air quality, set schedules, and have 24/7 control via the Blueair app or Alexa and Google Home. RealTrack Technology tracks filter lifetime accurately.
19dB
Min Noise
18m²
Coverage
174
CADR (cfm)
1.9kg
Weight
Technical Details
Full Specifications
Keep your home a safe haven with the Blue 511i Max, featuring advanced air purification that's quiet enough for nap time yet powerful enough for allergy season. Quickly cleans 18 m² in 12.5 minutes, 43 m² in 30 minutes or up to 86 m² every 60 minutes. Automatically detects and quickly removes pollutants such as viruses, bacteria, dust, and odours. Compact with 360-degree air intake, so you can place it anywhere — on the floor or table. RealTrack in-app filter monitoring accurately tracks filter lifetime based on usage and pollutant levels.
- Room Size
- 18 m² (recommended) / 43 m² in 30 min
- CADR
- Pollen 296 m³/h / Dust 270 m³/h / Smoke 260 m³/h
- Filtration
- HEPASilent Dual (4-layer)
- Particle Removal
- 99.97% @ ≥0.1 µm
- Noise Level
- 19–48 dB
- Dimensions
- H 36.8 × W 23.6 × D 23.6 cm
- Weight
- 1.9 kg
- Power
- 17W
- Fan Speeds
- 1-2-3-4 + Auto + Night
- Sensors
- PM 2.5
- Connectivity
- Wi-Fi, Blueair App, Alexa, Google Home
- Air Changes/hr
- 4.8 ACH
- Warranty
- 2 Years
Customer Reviews
See Why Customers Love the Blue 511i Max
James W.Verified
Nice design, but performance is average compared with my expectations.
Antonio B.Verified
Very quiet operation, you can barely hear it running. Highly recommended.
Ming H.
Air purification is excellent. Fan noise on high speed is slightly noticeable.
George P.Verified
Energy efficient and effective. Running costs are very reasonable.
Patrick R.Verified
The auto mode adjusts perfectly based on air quality. Very smart device.
Melissa P.
Works reasonably well. I need more time to fully evaluate it.
Isabella R.
Excellent customer service from Pure & Co. Product arrived quickly and well packaged.
Maria Y.Verified
Energy efficient and effective. Running costs are very reasonable.
Marco R.Verified
The auto mode adjusts perfectly based on air quality. Very smart device.
Common Questions
Frequently Asked Questions About the Blueair Blue 511i Max
Yes. All products sold by Pure & Co come with a standard Australian Type I plug (three-pin angled). No adapter needed.
The Blue 511i Max includes a manufacturer-backed warranty. Duration varies by brand - typically 1 to 5 years. See the product specifications or contact us for details.
Shipping is free on all orders over AUD 50. The Blue 511i Max (AUD 131) qualifies for free standard delivery Australia-wide.
Yes. The Blue 511i Max uses HEPA filtration that captures fine smoke particles (PM2.5 and smaller). During bushfire events, close windows and run the purifier on high speed for rapid air cleaning.
Most HEPA filters last 6 to 12 months under normal use. Heavy use during bushfire season, around pets, or in dusty environments may shorten the interval. The unit's filter indicator will alert you when it's time.
Yes. We offer a 30-day return policy on unused products in original packaging. See the Return Policy page for full details.