Radon is a naturally occurring radioactive gas that seeps into homes from the ground below. It is odorless and colorless and cannot be detected without testing. According to the EPA, it is the leading cause of lung cancer among non-smokers.

Are Airthings radon monitors used by professionals?

Airthings’ consumer monitors, including the View series and Corentium Home, use the same radon-sensing technology as the Airthings Corentium Pro. The Corentium Pro is AARST-NRPP-approved and used by radon professionals and home inspectors across the US.

Can I borrow a radon detector to test my home?

Often, yes. Airthings pioneered a radon lending library program that started in Norway and was adopted in Canada and then the USA. Library patrons can check out a radon detector, just like a book, to test their homes.

How can I see indoor radon levels near me?

The free Airthings radon map shows average indoor radon levels by area, based on readings from Airthings monitors in homes. Enter your ZIP code to see your region. Radon levels vary from home to home, so the only way to know your home’s level is to test.

American Lung Association supporter

Airthings and the American Lung Association: Partners in radon awareness since 2017

Airthings is a committed supporter of the American Lung Association, working together to empower the world to breathe better.

Airthings has been a pioneer in radon testing and indoor air quality monitoring since 2008. In 2011, it launched Corentium Home, the first digital radon detector for home use, giving people a simple way to understand their home’s radon levels.

Airthings’ mission is to help people around the world take control of their air quality through simple, sustainable, and accessible technology, making radon testing and indoor air quality monitoring standard in every home and building. In 2018, Airthings launched Airthings for Business, providing indoor air quality monitoring solutions for offices, workplaces, and schools across the US.

Watch: Airthings and the American Lung Association

Why has the American Lung Association chosen to work with Airthings?

Radon is Airthings’ core expertise. Airthings has specialized in radon measurement for nearly two decades, and more than 1.5 million Airthings devices have now been sold worldwide, monitoring radon and indoor air quality in more than half a million homes and buildings.

Pioneering radon testing and air quality monitoring since: 2008

Airthings devices sold worldwide: 1.5 million+

Homes and buildings monitored: 500,000+

Radon basics

What is radon?

It comes from the ground

Radon is a naturally occurring radioactive gas that seeps into homes from the ground below.
A leading cause of lung cancer

Radon is the leading cause of lung cancer among non-smokers, according to the EPA.
About 21,000 deaths a year in the US

In the US, radon exposure is estimated to cause about 21,000 lung cancer deaths each year.
Invisible, but fixable

Radon is odorless and colorless and cannot be detected without testing. Radon problems can be solved either through DIY measures or professional mitigation.

Radon expertise

Trusted by radon professionals

Airthings’ consumer monitors, including the View series and Corentium Home, use the same radon-sensing technology as the Airthings Corentium Pro, which is AARST-NRPP-approved and used by radon professionals and home inspectors across the US.

Professional-grade sensing at home

The same sensing technology found in the Corentium Pro is built into the monitors you can buy for your own home.

Explore radon products

Continuous monitoring supports better decisions

Radon levels change with the weather and season. Digital radon monitors track these changes and calculate a long-term average, helping people understand their real exposure and confirm that mitigation is working.

See readings and trends in the app

Where people live, learn, and work

Monitors for every setting

Airthings makes radon and air quality monitors for homes, schools, businesses, and radon professionals, supporting testing wherever people live, learn, and work.

Homes

Explore radon products

Schools and businesses

Explore Airthings for Business

Radon professionals

Corentium Pro is AARST-NRPP-approved and used by radon professionals and home inspectors across the US.

Borrow a radon detector, just like a book

Airthings also pioneered a radon lending library program. Starting in Norway, the concept was successfully adopted in Canada and then the USA. Library patrons can check out a radon detector, just like a book, to test their homes.

Learn about the US radon library program

Free radon resource

Airthings radon map: see indoor radon levels where you live

Readings from Airthings’ connected home radon monitors power the Airthings radon map, a free resource showing average indoor radon levels by area. Enter your ZIP code to see readings from Airthings monitors in homes in your region.

The map shows regional trends but is designed to act as a guide: radon levels vary from home to home, so the only way to know your home’s level is to test.

Check radon levels in your ZIP code Shop radon monitors

Frequently asked questions

Airthings, the American Lung Association, and radon

Why has the American Lung Association chosen to work with Airthings?: Radon is Airthings’ core expertise. Airthings has specialized in radon measurement for nearly two decades. More than 1.5 million Airthings devices have been sold worldwide, monitoring radon and indoor air quality in more than half a million homes and buildings.

What is radon?: Radon is a naturally occurring radioactive gas that seeps into homes from the ground below. It is odorless and colorless and cannot be detected without testing. According to the EPA, it is the leading cause of lung cancer among non-smokers.

Why does continuous radon monitoring matter?: Radon levels change with the weather and season. Digital radon monitors track these changes and calculate a long-term average, helping people understand their real exposure and confirm that mitigation is working.

Are Airthings radon monitors used by professionals?: Airthings’ consumer monitors, including the View series and Corentium Home, use the same radon-sensing technology as the Airthings Corentium Pro. The Corentium Pro is AARST-NRPP-approved and used by radon professionals and home inspectors across the US.

Can I borrow a radon detector to test my home?: Often, yes. Airthings pioneered a radon lending library program that started in Norway and was adopted in Canada and then the USA. Library patrons can check out a radon detector, just like a book, to test their homes.

How can I see indoor radon levels near me?: The free Airthings radon map shows average indoor radon levels by area, based on readings from Airthings monitors in homes. Enter your ZIP code to see your region. Radon levels vary from home to home, so the only way to know your home’s level is to test.