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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 humidifiers 2022: Relieve dry skin & allergy symptoms with these humidifiers

By Sarah Finley published 20 April 22

Buying Guide We’ve rounded up the best humidifiers to combat the irritating effects of dry air, including its impact on allergies and asthma symptoms

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

woman using one of the best air purifiers for allergies

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

By Molly Cleary, Lou Mudge published 31 March 22

BUYING GUIDE We've rounded up the best air purifiers for allergies, to rid your home of irritants and help you to breathe easier

woman and her son using one of the best air purifiers to clean the air in their home

Best air purifiers 2022: Enjoy clean air in your home

By Lou Mudge published 31 March 22

BUYING GUIDE Here are the best air purifiers to help you rid your home of pollutants, dust and mold

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.

Image shows the Elechomes HTJ-2119 Ultrasonic Humidifier

Elechomes HTJ-2119 Ultrasonic Humidifier review

By Kasandra Brabaw published 5 November 21

Review The Elechomes HTJ-2119 Ultrasonic Humidifier is an ultra-quiet model with an aroma diffuser, remote control, 4.5-liter water tank, and a range of 538 square feet.

How does condensation happen?

By Becks Shepherd published 19 October 21

REFERENCE Have you been wondering 'how does condensation happen?' We're giving you the low-down.