#1 · Air Purifiers
Blueair Blue Max 3250i
Blueair
88.4/ 100 · n=202 reviews
Medium confidence · 3 sourcesNarrow win — +1 pts over #2
A compact smart air purifier for bedrooms and home offices that uses HEPASilent dual filtration to remove 99.97% of airborne pollutants, cleaning a 20 m² room in 12.5 minutes or up to 48 m² in 30 minutes while running near-silently.
Specifications
- Filter type
- HEPASilent combination particle & activated carbon filter
- Coverage
- Up to 48 m² (in 30 min); rated 20–99 m²
- CADR
- 239 m³/h (pollen/dust/smoke)
- Noise
- 18–46 dB
- Modes
- Speeds 1, 2, 3 + Auto + Night Mode
- Smart features
- Blueair app (Wi-Fi), Amazon Alexa, auto mode with PM2.5 sensor, 5-colour LED air-quality ring, RealTrack filter tracking, scheduling
- Dimensions
- 48.1 × 26.9 × 26.9 cm (H × W × D)
- Weight
- 3.4 kg
- Power
- 20 W
- Filter life
- Up to 1 year