The maximum room size recommended by Blueair is 15 m sq which, understandably, is on the small size. Forget about adjusting settings and knobs - a single button controls it all and lets you know when it's time to replace the filter. AHAM certified room size is the size of room in which the air purifier can provide a full five air changes per hour. Owning one of the best air purifiers is a sure-fire way to manage the symptoms of hayfever, allergies and asthma.

Blueair makes air purifiers, with the Blueair Blue Pure 411 Auto (or Blue 3210, depending on your location) its latest model. In our opinion, the app could do with a little refinement, perhaps showing air quality history from earlier on in the week. And while it’s true that some of the fans come with filters that enable them to emit purified air, these can be expensive.I’ve written quite a bit about how to choose an effective air purifier, so if you’re not familiar with CADR, AHAM and so forth, get a crash course here.

But if you’d prefer set a schedule for the unit to come on at specific times, then consider an alternative air purifier. The Pure 411 Auto has an indicator to tell you whether the air in the room is good, bad or ugly— no guessing. In the UK, it’s the most affordable model the brand offers; in the US, it’s among the more affordable options.The Dyson Purifier Hot+Cool Formaldehyde HP09 is the most versatile air purifier here; this model is capable of heating, cooling and purifying the air.

Breathing clean air is a human right – making people feel more alert and alive – today and tomorrow. The one-touch enabled Auto mode is designed to help you maintain a comfortable and safe home environment. The Meaco MeacoClean CA-HEPA 76x5 WiFi Air Purifier gets our vote for being the most quiet air purifier here. Or if you're spring cleaning and dust is flying around as you move furniture, a higher may be required. Because the pre-filter is external, though, you can easily remove and wash this, meaning it never needs replacing.Accordingly, our investigation revealed that the Blueair Blue Pure 411 would be a great fit for those wishing to keep the air clean in smaller areas and for those who frequently move their air purifier around.