BLUEAIR Blue Signature Small Smart Air Purifier — Compact HEPA HEPASilent for Bedrooms, App Control, Quiet (248 sq ft / 19 dB)

The BLUEAIR Blue Signature Small Smart Air Purifier is a compact, app-controlled HEPA-grade air cleaner that quietly removes fine particles, smoke, pet dander, and odors from small rooms.

Designed to deliver high-performance purification in a space-saving package, the Blue Signature Small combines Blueair's HEPASilent dual filtration with smart features and Scandinavian-inspired styling. It moves air efficiently—cleaning up to 248 sq ft in about 12.5 minutes and up to 1,190 sq ft per hour—while operating at whisper-quiet sound levels. The unit is suited for bedrooms, nurseries, home offices, apartments, and other small spaces where powerful cleaning and low noise matter.

How quickly will this purifier improve air in a small bedroom?

The Blue Signature Small is engineered for fast turnover in compact rooms, delivering a thorough exchange of air multiple times per hour. In typical small-bedroom conditions it can refresh the air in roughly 12–13 minutes and maintain hourly cleaning rates that handle continual particle sources.

• Cleans 248 sq ft in ~12.5 minutes for fast relief.
• Rated to process 1,190 sq ft every hour for sustained coverage.
• Surround Boost™ airflow increases effective purification in tight spaces.

What filtration technology does it use and what particles does it capture?

Blueair’s HEPASilent system pairs electrostatic and mechanical filtration to trap a wide range of airborne contaminants with high efficiency. The layered design targets particles as small as 0.1 microns and also helps reduce odors and certain gases when combined with activated media.

• HEPASilent captures up to 99.97% of particles down to 0.1 microns.
• Multi-stage filter reduces dust, pollen, pet dander, smoke, and mold spores.
• OdorFence/activated media components help break down odors and VOCs.

Can I run it quietly while sleeping or working?

Yes—the unit is tuned for low-noise operation so it blends into sleep and focus environments. With sound levels starting around 19 dB, you can run it overnight or during meetings and study sessions without distraction, and Night Mode further reduces fan output for minimal disturbance.

• Lowest operating noise approximately 19 dB for near-silent use.
• Night Mode dims display and reduces fan speed for quiet sleeping conditions.
• Motion-activated dot matrix display provides glanceable feedback without constant brightness.

How do smart features and maintenance make ownership easier?

The Blueair app gives remote control, scheduling, and air-quality feedback so you can manage performance from anywhere. Auto Mode adjusts the fan automatically based on real-time sensors, and the quick-swap filter plus easy-to-clean surfaces streamline upkeep.

• App control for fan speeds, timers, and performance tracking.
• Auto Mode responds to real-time air quality for optimized efficiency.
• Simple filter replacement and accessible surfaces reduce maintenance time.

Who this is for: the Blue Signature Small is ideal for people living or working in compact spaces who want professional-grade filtration without a bulky appliance. It fits nightstands, desks, counters, and small tables while offering smart controls and near-silent operation—making it a strong choice for pet owners, allergy sufferers, smoke-affected homes, or anyone seeking consistently cleaner indoor air in smaller rooms.