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Air Quality

Live Science delivers all the air quality news, explainers and product guides to help you improve your physical health. You'll find information on everything from air purifiers and humidifiers to tips on keeping your indoor air free of pollutants.

Latest Updates

Best air purifiers: woman and child enjoy air purifier

Best air purifiers 2022: Top picks from Levoit, Dyson and more

By Lou Mudge published 23 September 22

BUYING GUIDE Check out the best air purifiers we’ve tested to remove pollutants and nasties from your home

woman sleeping on the coach next to her dehumidifier

Best humidifiers 2022: Relieve dry skin & allergy symptoms

By Sarah Finley published 21 September 22

Buying Guide We've tested the best humidifiers on the market — here's our ultimate round-up to help ease your symptoms

Best air purifiers for allergies. Shown here, an air purifier in a bedroom with a woman and a cat.

Best air purifiers for allergies 2022: Top-rated purifiers to help you breathe easier

By Molly Cleary, Lou Mudge published 9 September 22

BUYING GUIDE We’ve tested a number of the best air purifiers for allergies to help you trap pollutants and irritants

Honeywell TP50WKN dehumidifier review

By Alyssa Mercante published 9 August 22

Review The Honeywell TP50WKN is a solid, effective dehumidifier with a great LED display and inoffensive noise output

LG Puricare 50-pint dehumidifier review

By Alyssa Mercante published 23 June 22

Review The LG Puricare 50-pint dehumidifier (UD501KOG5) features an easily emptied bucket, LED display and more – but is it worth the price?

GermGuardian AC4825E review

By Kasandra Brabaw published 20 April 22

Review If you’re looking for an affordable air purifier to clear your air of dust, allergens, and odors, consider the GermGuardian AC4825E, which has multiple layers of filtration

Coway Airmega 250 review

By Kasandra Brabaw published 19 April 22

Review With multiple layers of filtration, the Coway Airmega 250 can eliminate particles as small as 0.012 microns. It's best for large spaces or multiple rooms

Coway-AP-1512HH review

By Joanne Lewsley published 31 March 22

REVIEW The Coway AP-1512HH is an effective air purifier that puts performance before design, but it lacks the connectivity of other purifiers

Do air purifiers help with dust?

By Katie Treharne published 24 February 22

REFERENCE Do air purifiers help with dust and are they worth it?

Is dehumidifier water safe to drink?

By Meg Walters published 11 January 22

Reference Recycling and reusing water is good for the planet—but is dehumidifier water safe to drink?

Do dehumidifiers help with allergies?

By Lawrie Jones published 9 January 22

Reference We answer the essential question: do dehumidifiers help with allergies?

Is dehumidifier water good for plants?

By Becks Shepherd published 20 December 21

REFERENCE In order to to reuse and recycle gray water at home, we're asking 'is dehumidifier water good for plants?'

Do indoor plants purify air?

By Lawrie Jones published 9 December 21

REFERENCE House plants have become incredibly popular in recent years, but do indoor plants purify air? And to what extent?

Air purifiers on sale: Woman sitting on a couch with a Dyson air purifier opposite

Air purifiers on sale: Get a great deal right now

By Ali Horsfall published 29 November 21

DEALS Here are some great air purifiers on sale that are in stock and discounted now.

Dehumidifiers on sale: Man using dehumidifier

Dehumidifiers on sale: Get better air quality with these deals

By Patricia Carswell published 29 November 21

Deals Find the best dehumidifiers on sale to clear the moisture from your air and improve your home's safety.

Cyber Monday Dyson air purifier deals: Press photo of Dyson product

Dyson air purifier deals: Check out these amazing reductions now

By Sarah Finley published 28 November 21

DEAL We give our roundup of the best Dyson air purifier deals.

Image shows the Honeywell Top Fill Cool Moisture Humidifier against a white background.

Honeywell Top Fill Cool Moisture Humidifier review

By Kasandra Brabaw published 12 November 21

Review The Honeywell Top Fill Cool Moisture Humidifier is best for extra-large spaces or multiple rooms. Two large water tanks hold up to three gallons of water, letting it run for up to 24 hours.

Image shows the Dyson AM10 Humidifier against a white background.

Dyson AM10 Humidifier review

By Kasandra Brabaw published 12 November 21

Review The Dyson AM10 Humidifier uses ultraviolet light to purify water and clear up to 99.9 percent of bacteria before it’s vaporized, keeping the air in your home perfectly humid and sanitary.

Do basements need a dehumidifier?

By Helen Alexander published 9 November 21

REFERENCE If you're wondering do basements need a dehumidifier, we've got the answer for you here.

Will a dehumidifier in a basement help upstairs?

By Kerry Taylor-Smith published 9 November 21

REFERENCE Find out if a dehumidifier in a basement will help with damp upstairs too.