The best air purifiers for 2025, tried and tested in UK homes

KANIKA SINGH RATHORE,

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The best air purifiers provide more benefits than you might expect. By capturing and neutralizing airborne pollutants, pollen, dust mites and pet dander, they can improve indoor air quality, make breathing easier, reduce sneezing and help prevent allergies and irritations. As Henry Burridge, Associate Professor in Environmental Fluid Mechanics at Imperial College London, explained to me: Homes can be surprisingly polluted. “One contaminant that is actually more prevalent in homes than in any other indoor environment is fungal spores from black mold,” he says. “We generate a lot of moisture in homes from taking showers to washing and drying clothes.”

Modern air purifiers are stylish, quiet, and packed with smart features. Many come with app or voice controls, real-time air quality display, and soft sleep mode Lightperfect for bedroom And nurseriesAnd they often outperform natural ventilation. ,When you open a window, you bring in outside air, which may be cleaner if you live in the countryside, but in the city it may also bring in more particles,” explains Burridge. “An air purifier is actually trying to clean the air, so that might be a better strategy.”

When selecting an air purifier, there are some key points to consider. HEPA filters are highly effective, trapping approximately 99.97 percent of airborne particles. Activated carbon filters help remove odors and gases, while UV-C and photocatalytic filters can eliminate bacteria and viruses.

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However, not all air purifier technologies are equally effective. “If I were buying an air purifier, I would only use a filter-based air purifier,” says Burridge. “They’re tried, they’re tested, they’re very well established – filter-based purifiers are very strong ways of getting rid of small particles present in the air, but I would also look for clean air delivery rates (CADR) through the filter system”. He also notes that although HEPA filters are excellent, they are really at the “upper end” of what most homes need.

There is a lot to consider. That’s why I’ve gone through rigorous testing to find the best air purifiers. My favorite of the bunch is the Levoit Core 400S air purifier (£197.99, Amazon.co.uk) But there are many other great options to consider, whether you’re looking for allergy relief, freshening up pet-filled rooms, or just want peace of mind that the air inside your home is as clean as possible. Keep reading to discover the influencers who impressed during the test.

how i tested

For reference, I suffer from allergies. I have hay fever and am constantly looking for ways to ease my symptoms. Thus, I am the perfect candidate for this exam.

I tested different air purifiers to find this sophisticated list of the best
I tested different air purifiers to find this sophisticated list of the best ,Joanne Lucley/The Independent,

I tested each of these air purifiers within my home, testing all the settings to get a complete picture of performance. I evaluated the following key metrics:

  • Air Quality: I used an air quality monitor To obtain real-time data on air particles and VOCs (Volatile Organic Compounds) during testing. The best air purifiers remove these unwanted pollutants. I also timed the air purifiers as they cleaned the air to see how quickly they made a difference.
  • Allergies and Sensitivity: I assessed health and hygiene. Am I still skeptical if an air purifier claimed to remove allergens?
  • Noise: I used a decibel meter to measure the noise of these air purifiers. The best models are so quiet that you barely notice them, allowing you to leave them on all night long.
  • ease of use: I evaluated how easy each air purifier was to use, and how well it performed smart features like air monitoring.
  • Style: Most air purifiers require putting on a display, so I looked for functional yet fashionable devices that won’t ruin your interior design.
  • value for money: I considered the initial cost of the air purifier, as well as the cost of replacing filters and the cost of running the machine.
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Not all the models I tested made the final list – below are the best air purifiers you can trust within your home.

Why can you trust IndyBest reviews?

Our expert testers, joan lewsleyhas been testing air purifiers and other air quality devices for over a decade, so she knows what it takes to make a good air purifier. She’s consulted with experts about what to look for, and all her reviews are based on independent opinions and real-life testing. She is in a particularly good position for this review because she suffers from allergies.

The extensive IndieBest team also reviewed individual air purifier models, such as dyson purifierAdditionally, our experts also provided in-depth information on other air quality related items, such as dehumidifier, air freshener And humidifierThese gadgets can also be used for other purposes, like drying clothes In more energy- and effective cost way.

The best air purifiers for 2025 are:

  • overall best – Levoit Core 400S Air Purifier: £197.99, Amazon.co.uk
  • best budget air purifier – Cowey AirMega 50: £55.99. Amazon.co.uk
  • Best for large rooms – MeecoClean CA-HEPA 76×5 WiFi Air Purifier: £199.99, Amazon.co.uk
  • best high end purifier – Dyson Purifier Cool PC1 Air Purifier: £449.99, dyson.co.uk
  • Best for small rooms – Blueair Blue Mini Max Air Purifier: £74.99, Amazon.co.uk
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