Air purifiers advice guides

Find our how to choose, buy and maintain the best air purifiers and how to keep your home allergen free.

6 articles

Best air purifiers 2024 and buying advice

The best air purifiers clean the air in your home quickly and effectively, and without making too much noise

10 July 2024

How to improve your indoor air quality at home

The air you breathe can have a significant impact on your health, so read our guide to find out how to breathe cleaner air at home

21 June 2024

Should you buy a Dyson air purifier?

Want to improve your indoor air quality at home? Find out what Dyson air purifiers can do, how much they cost and whether they work to reduce indoor air pollution.

21 June 2024

How we test air purifiers

Our stringent tests reveal the air purifiers that remove allergens from your home swiftly, without making too much noise or wasting energy

28 June 2024

Which air purifier brand to buy in 2024

Our exclusive Which? customer satisfaction data will help you choose a long-lasting air purifier. Find out which brands have the happiest customers and which develop the fewest faults over time.

6 June 2024

Which? Don't Buy air purifiers

We reveal the air purifiers that don’t remove pollution effectively from the air.

5 June 2024