Best Air Purifiers — Blueair (2026)
2 air purifiers matching brand “Blueair”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Air Purifiers UK (2026) guide.
Blueair air purifiers are renowned for their advanced HEPA filtration technology, specifically designed to tackle household allergens like dust mites, pollen, and pet dander. These purifiers utilise a unique ‘particle-to-particle’ technology – the Cyclones system – that gently pulls pollutants from the air without using fans, minimising energy consumption and preventing filter damage. Blueair consistently prioritises delivering exceptional indoor air quality, and their range of models offers varying levels of coverage to suit different room sizes.
The core of each Blueair purifier lies in its multi-stage filtration process. Initially, a pre-filter captures larger particles like dust and pet hair, protecting the sensitive HEPA filter within. The HEPA filter then traps 99.97% of airborne particles as small as 0.3 microns, including allergens and pollutants. Finally, activated carbon filters absorb odours and volatile organic compounds (VOCs), further improving your air quality.
Blueair offers a range of models, from compact units for bedrooms to larger ones suitable for living rooms and offices. Each Blueair purifier is built with durability in mind, featuring a stylish design that blends seamlessly into any home décor. Importantly, all Blueair products are engineered for quiet operation, ensuring minimal disruption to your daily activities while effectively cleaning the air you breathe.
#1 Pick
Blueair Blue 511i Max Smart WiFi Air Purifier, HEPASilent Dual Filtration, Covers up to 43m²- High-Power
£122.12
Pros
- HEPASilent technology combines mechanical and electrostatic filtration
- WiFi and app control lets you monitor air quality remotely
- Washable pre-filter reduces ongoing filter costs
Cons
- Higher upfront cost than basic HEPA-only purifiers
#2 Pick
Blueair Blue Pure 511 Air Purifier for Home, HEPASilent Technology, Removes 99.97% of Airborne Particles- Standard
£100.01
Pros
- HEPASilent technology combines mechanical and electrostatic filtration
- Removes 99.97% of airborne particles down to 0.1 microns
- Simple one-button control with washable pre-filter
Cons
- No app or smart home connectivity on this model
FAQ
What type of filter does a Blueair purifier use?+
Blueair purifiers primarily utilize a HEPA filter, alongside a pre-filter and activated carbon filter. The HEPA filter is crucial for capturing tiny airborne particles, while the other filters address larger pollutants and odors.
How often should I replace the filters in my Blueair?+
Filter replacement frequency depends on usage and air quality. Generally, you’ll need to replace the pre-filter every 3-6 months, the HEPA filter every 6-12 months, and the activated carbon filter every 6-12 months – always check your specific model's recommendations.
Are Blueair purifiers effective against smoke?+
Yes, Blueair purifiers are highly effective at removing smoke particles from the air. However, for extremely heavy smoke conditions, it’s recommended to use a purifier with a larger capacity and replace filters more frequently.
Do Blueair purifiers work in small rooms?+
Blueair offers compact models specifically designed for smaller spaces like bedrooms and bathrooms. These units are powerful enough to clean the air effectively in their respective room sizes.
Can I use a Blueair purifier in my kitchen?+
Yes, you can use a Blueair purifier in your kitchen! The activated carbon filter is particularly effective at absorbing cooking odors and grease particles. Just ensure it's placed away from direct heat sources.
What size room is each Blueair model suitable for?+
Blueair provides specifications for each model detailing the recommended room size based on its CADR (Clean Air Delivery Rate). Check the product page to determine the most appropriate purifier for your space.
Do Blueair purifiers require a lot of electricity?+
Blueair purifiers are designed for energy efficiency. The Cyclones technology doesn’t rely on a fan, reducing power consumption compared to traditional air purifiers. They're rated with low energy usage in mind.
Are Blueair filters easy to find?+
Blueair filters are widely available for purchase through Amazon UK and directly from the Blueair website. Replacement filters are also available in various packs to suit your needs.
How do I know when it's time to replace my filter?+
Most Blueair purifiers have an automatic filter life indicator that alerts you when a replacement is needed. You can also monitor the air quality and visually inspect the filters for dirt buildup – if they appear clogged, it’s time to change them.
Can I clean my Blueair purifier regularly?+
Yes! Regularly cleaning your Blueair purifier will prolong its lifespan. Use a soft, dry cloth to wipe down the exterior casing and gently dust the filters every month. Avoid using harsh chemicals or abrasive cleaners.