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A pan on a gas hob with an air quality graphic line indicating a rise in indoor pollution.

The Dyson indoor pollution guide

Check which pollutants could be hiding where you live by exploring our indoor pollution guide.

Check your home
A man cooking on a gas hob. Air quality graphic line runs from gas hob to Dyson purifier, and changes from orange to yellow to green – indicating air quality and purification benefits.

Many indoor activities and household products emit pollution

Cooking, cleaning, even getting ready for work can release inhalable pollutants into your home. Dyson air purifiers automatically diagnose your air quality – sensing and capturing airborne particles, and displaying real-time reports on the LCD screen or your MyDyson™ App.

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Common pollutants found in the home

We're spending more time indoors, in increasingly well-insulated homes and workplaces. Over time, these common indoor air pollutants can build up.

A family in a modern open plan kitchen and living space with key pollutants illustrated by grey clouds.

Common pollutants found in the home

We're spending more time indoors, in increasingly well-insulated homes and workplaces. Over time, these common indoor air pollutants can build up.

VOCs in aerosols and cleaning products

Volatile organic compounds (VOCs) are potentially harmful gases emitted by household sprays, air fresheners and personal care products. If used regularly in unventilated rooms, VOC concentrations increase.

A gloved hand spraying a cleaning product onto a kitchen sink area.

VOCs in aerosols and cleaning products

Volatile organic compounds (VOCs) are potentially harmful gases emitted by household sprays, air fresheners and personal care products. If used regularly in unventilated rooms, VOC concentrations increase.

Fumes from paints and furniture

Another potentially harmful gas is formaldehyde, released by some furniture, paints, mattresses, carpets and fireplaces. Most homes contain formaldehyde, but amounts spike during interior decoration projects.

A man with paint roller, decorating interior wall.

Fumes from paints and furniture

Another potentially harmful gas is formaldehyde, released by some furniture, paints, mattresses, carpets and fireplaces. Most homes contain formaldehyde, but amounts spike during interior decoration projects.

Pollutants released by cooking

Cooking can release a unique mix of combustion pollutants and airborne particles. Even after cooking, odours and potentially harmful contaminants can remain in the air.

A close-up of a frying pan on a gas hob, cooking a piece of salmon.

Pollutants released by cooking

Cooking can release a unique mix of combustion pollutants and airborne particles. Even after cooking, odours and potentially harmful contaminants can remain in the air.

Allergens from pet dander

Pets can introduce allergens, bacteria and viruses into the home. When pets groom themselves, they deposit protein particles from their saliva onto their hair and skin. These microscopic skin cells dry and flake off to form pet dander.

A wire-haired dog lying on a living room rug.

Allergens from pet dander

Pets can introduce allergens, bacteria and viruses into the home. When pets groom themselves, they deposit protein particles from their saliva onto their hair and skin. These microscopic skin cells dry and flake off to form pet dander.

A Dyson purifying fan, plus three graphics illustrating the key features – automatic sensing, a fully-sealed machine, and long-range projection.

Three key things to look for in an air purifier

Automatic sensing, a fully-sealed machine and long-range air projection are key to effective air purification. That's why they're at the core of our technology. And why we've been testing them for generations.

A POLAR test in a large room with blue lines representing projected air flow.

Tested for real homes

Standard Clean Air Delivery Rate (CADR) tests in small chambers with ceiling fans don't represent real living conditions.

So our engineers spent years developing a new testing methodology, called Point Loading Auto Response (POLAR), to measure real-world performance more accurately.

Check your home

Frequently asked questions

What is indoor air pollution?

Indoor air pollution contains a mix of pollutants, including particulate matter (PM) and volatile organic compounds (VOCs). 

Many indoor activities and household products release invisible pollutants. As our homes become increasingly well-sealed, it may seem like we're shutting pollution out – but in truth, we may be shutting it in. 

What are the main indoor air pollutants?

Four indoor air pollutants which may be causing poor air quality in your home are: 

Mould. Moulds are fungi that reproduce by making and releasing spores. It's usually found where there is excess moisture.

Volatile organic compounds. Or VOCs, can be released from building materials, personal care and cleaning products. 

Particulate matter. These can include dust, smoke and exhaust fumes. Particles vary from PM0.1 - PM10 in size.

Allergens. Common allergens include pollen and pet dander. Biological pollutants from pets include multiple proteins in a pet’s fur, hair, saliva, urine or dander.

Dyson's sealed HEPA filters capture 99.95% of microscopic allergens and pollutants as small as 0.1 microns (PM0.1).*

How do I Improve indoor air quality?

Here are a few actions you can take to improve the air quality in your home:

Invest in an air purifier. Your best solution for improving your indoor air quality is an air purifier. Be sure to choose one which automatically senses, is fully sealed, and has long-range air projection.

Get rid of dust. House dust can be a combination of dust mites, pet dander and pollen. Keeping on top of cleaning and vacuuming can help overall air quality.

Source control. Reduce pollution sources in your home (like burning scented candles).

How does the Dyson purifier range differ?

Dyson engineers are perfectionists. Channelling our relentless dissatisfaction, we re-engineered the entire range to ensure every purifier is fully sealed to HEPA H13 standard. 

This ensures we capture 99.95% of ultrafine particles and prevent pollutants from leaking back into the air you breathe.

Do Dyson machines capture viruses such as Covid-19?

Yes. Dyson air purifiers capture viruses, including the SARS-CoV-2/COVID-19 virus.*

What does VOC on my Dyson machine mean?

VOCs are 'Volatile Organic Compounds', meaning they are compounds containing carbon and are generally a gas at room temperature. Indoor VOCs can come from a range of activities, such as spraying perfumes or hair sprays, painting or cleaning. 

When you see VOC on your machine's monitor or in your MyDyson app, you're experiencing a rise in VOCs, and your machine is working hard to remove the pollutant from the air, and project cleaned air into your home.

What does PM2.5 on my Dyson machine mean?

PM2.5 is particulate matter with a size of 2.5 microns or less, for example dust, ash and smoke particles. These can be released from a range of household activities such as burning candles or cooking. 

When you see PM2.5 on your machine's monitor or in your MyDyson app, you're experiencing a rise in PM2.5, and your machine is working hard to remove the pollutant from the air, and project cleaned air into your home.

A black backpack, containing Dyson air quality monitoring technology, resting on a wooden kitchen chair.

Dyson goes backpacking to investigate air quality

One global pollution problem. Many globetrotting data gatherers. From journalists to fitness experts, individuals far and wide are helping our research by wearing our prototype air quality backpack to monitor pollution levels.

Learn about the project

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