Blueair Blue Pure 211+ Auto
#3 in Air Purifier · Rated 4.5
Large-room purifier with Auto mode and 360° filtration.
Blueair Blue Pure 211+ Auto is Blueair’s flagship boxy purifier designed for large spaces up to about 550 square feet. It uses a three-filter system (Particle + Carbon filter) plus the brand’s HEPASilent approach to deliver strong CADR across smoke, dust, and pollen. The Auto mode uses real-time particle sensing to adjust fan speed, and the unit supports a 360° intake with a compact footprint for a large room footprint. Swedish design meets practical performance, and the RealTrack filter-life monitoring supports predictable maintenance. Interchangeable skirts add cosmetic customization, and the brand emphasizes a long filter life with reasonable replacement costs. Global availability is supported by Blueair’s international distribution and support network. Sources: Blueair product page; Tom’s Guide/retailer coverage. ([blueair.com](https://www.blueair.com/products/blue-pure-211-plus-auto-particle-and-carbon?utm_source=openai))
Features
- CADR in the 350–380 range for smoke/dust/pollen
- 550 sq ft coverage
- Auto mode with real-time sensing
- 3-filter Particle + Carbon filtration
- 360° air intake with easy-to-replace filters
Pros
- Excellent CADR for large rooms
- Auto mode saves energy and maintains air quality
- Replaceable, widely available filters
Cons
- Higher upfront cost than some budget purifiers
- Filter subscriptions add ongoing cost