It would be nice to think that we could all rely on good air quality as standard, however, with increasing levels of pollution both inside and out, many of us are turning to air purifiers to help counteract potentially harmful particulates in the air. The irony of an air purifier is that whilst they may help to remove air pollution from our personal environments, the plastics and other manmade materials used in their manufacture potentially contribute to overall environmental air pollution. briiv aims to reduce this problem by creating an air purifier with a difference. A powerful air purifier that's designed to fix air quality in larger spaces, the Philips Series 3000i Connected air purifier promises to remove impurities in areas up to 104m2. If you're using it in a smaller room, then that translates to super-fast results, with the unit able to purify the air in a room of 20m2 in less than 6 minutes, thanks to an impressive CADR (Clean Air Delivery Rate) of 520 m3/hr. The lower section of this cylindrical air purifier is wrapped in what the brand calls a fabric 'pre-filter', designed not only to look attractive but also to catch larger particles and extend the life of the primary filter inside. You can vacuum the fabric outer or pop it in the wash to clean it.

According to the brand, the body of the briiv air filter unit is made 'completely from bioplastics derived from Elephant Grass with a bespoke and toughened recyclable glass display zone'. This zero plastic air purifier also utilises natural filters which biodegrade when disposed of, as opposed to the more common HEPA filters which briiv says 'are made out of fibreglass and other microplastics' and can therefore contaminate the environment.

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This small air purifier uses hypochlorous acid (HOCl),a naturally occurring molecule created using non-iodized salt, water, and electrolysis, to clean, deodorize, and humidify dry air. The Braun Scan & Clean BFD104BE air purifier has an automatic mode, which adjusts the filtration level according to the air quality in the room. Furthermore, it has a silent mode, which keeps the device running quietly for a more peaceful and uninterrupted environment. The unit also includes a timer function, where it can be set to operate for four or eight hours, before automatically turning off. HEPA filter – this catches more dust, pollens, other allergens, and even bacteria, so you’ll breathe cleaner whether you suffer from pet allergies or hay fever. It wins on a few practical points too, with a useful foldaway handle and a minimalistic control panel that isn't a headache to get working. The compact and stylish design of the Braun Scan & Clean BFD104BE will fit into any room décor seamlessly, allowing it to fit into any living environment. The device is easy to operate, with simple buttons and indicator lights that show the current air quality, filter status, and timer settings.

It's not quite as quiet as the Blueair Blue 3210 air purifier on its lowest setting, offering noise levels of 24dB compared to the Blueair Blue 3210's lowest 18dB setting, but it's still pretty quiet compared to other options. However, like the Blueair Blue 3210, those noise levels do get considerably higher as you move up the fan settings. The Beko ATP6100I Air Purifieris a no-nonsense air purifier that's very straightforward to use. During testing, the feature that stood out most is the auto adjust, which automatically brings the power level up or down depending on the air quality reading in the room at that moment. Noise from air purifiers generally comes from the fan or motor and the air pressure through the filter. When specifying an air purifier’s noise level, an A-weighted decibel value, or dB(A), is commonly used. “A-weighted” means that the measurement compensates for the ear’s inability to perceive all acoustic frequencies in the same way.

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If you’re looking for a quiet and unfussy air purifier that will fit into smaller spaces, then the Blueair Blue 3210 is ideal. Perfect for bedrooms or a home office, the Scandi-style machine is super-easy to set up and use. Recommended for use in a room of around 17m2, the Blueair Blue 3210 will change the air in the space five times an hour, going down to about twice an hour in a room of 43m2. A higher CADR rating means that the air purifier can clean the air faster, making it more efficient. An air purifier with a low CADR rating may not be as effective in removing pollutants from the air. CADR is a standardized measure that allows you to compare air purifiers of different sizes. The AHAM recommends a CADR rating of at least 2/3 of the room's area'. Removal rate But what should you be looking for when you shop for the best air purifier? To help decode the often confusing array of technical terms associated with air purifiers, we've enlisted the help of Lars Dunberger, Technology Development Manager at Blueair, a Swedish manufacturer that specialises in air quality products. First up, CADR... Clean Air Delivery Rate (CADR) The Braun Scan & Clean BFD104BE is an air purifier that is specifically designed for smaller spaces such as a bedroom or home office. This air purifier is able to filter out impurities from the air that may affect the health and wellbeing of individuals. The device boasts an efficient HEPA filter that effectively captures particles such as dust, pollen, and smoke in the air. It also features an activated carbon filter which reduces bad odours. CADR is an industry-standard measure defined by the independent Association of Home Appliance Manufacturers (AHAM) in the U.S. Certified and verified by an independent laboratory, CADR provides consumers with a reliable way to compare the efficiency of different air purifiers'.

Dust pre-filter – think of air filtration as sifting sand on a beach. You want to remove the large pebbles first with a big sieve before using a finer one. Otherwise, the fine filter gets clogged up. The triple filtration system removes up to 99.9% of ultrafine particles, even those invisible to the eye

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The Levoit Core 300 promises to filter a larger area – capable of cleaning a 20m2 space as opposed to the Blue 3210's 17m2 limit – however, in line with its lower price point, performance is also lower, with it struggling to match the Blueair Blue 3210 on CADR results. It also uses more energy, at 45W compared to the low 2-10W energy consumption of the Blueair Blue 3210.

Small, lightweight, and relatively affordable, we think the Levoit Core 300 air purifier is a great option for smaller homes, and, thanks to its unobtrusive build and quiet 'sleep mode' we rank it alongside the Blueair Blue 3210 air purifier as one of the best air purifiers for the bedroom. Yes, dust and pollen are some of the largest particles likely to be in the air, so most air purifiers will manage to capture and filter out a good amount of dust particulate from the air. Do air purifiers remove smells? The controls are easy to operate, with anLED displayand largepush buttons. The unit also has wheels, a retractable carry handle, and a cable tidy that makes it easy to move around the house and store neatly away when it's not in use.

Air quality sensor with colour-coded indicator monitors particle levels in the air and visually displays the air quality in real time CLEANER AIR AT HOME: The triple filtration system removes up to 99.9% of ultrafine particles, like mould spores and allergens invisible to the eye; ( Despite its relatively affordable price point, this model offers a pre-filter to capture large particles such as dust, lint, fibers, hair, and pet fur, a HEPA filter that traps fine dust, smoke particles, and allergens such as pollen and pet dander, and a carbon filter that works to neutralise smoke, fumes, VOCs, and household odours such as cooking smells and pet odours.