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Radon Monitor

10 Best Radon Monitor 2025 in the United States

#1

Winner

9.8 score

Airthings 2960 View Plus - Battery Powered Radon & Air Quality Monitor (PM, CO2, VOC, Humidity, Temp, Pressure)

Airthings 2960 View Plus - Battery Powered Radon & Air Quality Monitor (PM, CO2, VOC, Humidity, Temp, Pressure)

Airthings

9.8 score

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The Airthings 2960 View Plus is a versatile indoor air quality monitor that excels in providing real-time data on radon levels, PM2.5, CO2, VOCs, humidity, temperature, and air pressure. One of its significant strengths is the continuous monitoring feature, which allows users to check live data and receive alerts via the Airthings app, making it user-friendly for those who want to keep track of their indoor air quality. The monitor's accuracy, especially for radon detection, is commendable, which is crucial given the health risks associated with radon exposure.

Rating
9.8
Chosen by1,193
Accuracy
Display and Interface
Data Logging and Storage

Most important from
1596 reviews

Accuracy
For constant monitoring with alerts to monitor all sorts of airborne levels accurately, there isn't another product on the market I could find.
Display and Interface
The smartphone app's UI and usability is exceptionally good and the product is easy to work with.
Data Logging and Storage
Historical data tracking is extremely important when you want to understand cause and effect in anything in life.
#2
9.6 score

Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

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Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

Airthings

9.6 score

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The Airthings Corentium Home Radon Detector is a portable and user-friendly device that excels in providing long-term monitoring of radon levels in your home, a crucial factor for maintaining a safe living environment. Its battery-operated design allows for easy placement anywhere without the need for an outlet, which is a significant advantage for those looking to monitor multiple areas or homes without hassle. The detector offers quick on-screen readings for both short and long-term radon levels, giving users immediate feedback on their home’s air quality. Additionally, it can generate self-inspection reports, making it easier to track changes over time and document radon levels for personal records or professional inspections.

Rating
9.6
Accuracy
Response Time
Power Source

Most important from
10446 reviews

Accuracy
The Airthings Corentium Home Radon Detector has been praised for its accuracy, with one user noting that it nearly matched the results from independent tests using other radon testing devices.
Response Time
Users appreciate the quick and clear readings, mentioning that the device provides short-term 24-hour, 7-day, and long-term averages, which are ideal for monitoring radon levels.
Power Source
The battery life has been highlighted as impressive, with one user stating that the device has been running on the original batteries nonstop for over a year with no signs of slowing down.
Calibration and Maintenance
The device has been recommended over other models due to its reliability, lack of need for recalibration, and the convenience of not requiring a wall power adapter.
#3
9.3 score

Airthings 2911 Wave Plus, Black LTD Edition - Radon & Air Quality Monitor (CO2, VOC, Humidity, Temp, Pressure)

Airthings 2911 Wave Plus, Black LTD Edition - Radon & Air Quality Monitor (CO2, VOC, Humidity, Temp, Pressure)

Airthings

9.3 score

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The Airthings 2911 Wave Plus Radon & Air Quality Monitor in its limited edition black finish is a comprehensive device that monitors radon, CO2, VOCs, humidity, temperature, and air pressure. This makes it a versatile choice for those looking to keep track of multiple air quality factors in their home or office. One of its primary strengths is its accuracy in measuring radon levels, which is crucial given the daily fluctuations of radon.

Rating
9.3
Accuracy
Display and Interface
Data Logging and Storage

Most important from
3138 reviews

Accuracy
The value of this device lies in providing a close idea if you have a radon issue or if your home is safe over a long period.
Display and Interface
The app is user-friendly and provides access to historical data, enhancing long-term monitoring.
Data Logging and Storage
The ability to track the ebb and flow of air quality across hours, days, weeks, and months is invaluable for understanding daily patterns and changes.
Calibration and Maintenance
Calibration is crucial, and following the instructions for a 7-day calibration period ensures accurate readings.

Top 10 Best Radon Monitor 2025 in the United States

#1

Winner

9.8 score

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Airthings

Airthings 2960 View Plus - Battery Powered Radon & Air Quality Monitor (PM, CO2, VOC, Humidity, Temp, Pressure)

Accuracy: After 7 days: σ ~ 10 % at 5 pCi/L
Display and Interface: calm tech display
Power Source: Battery Powered
Calibration and Maintenance: Requires seven days for reliable measurements

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Chosen by 1193 this week

#2

9.6 score

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Airthings

Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

Display and Interface: quick readings
Power Source: Battery Powered
Data Logging and Storage: inspection reports

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27% OFF
#3

9.3 score

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Airthings

Airthings 2911 Wave Plus, Black LTD Edition - Radon & Air Quality Monitor (CO2, VOC, Humidity, Temp, Pressure)

Accuracy: +/-.5%
Display and Interface: Visual indication, Bluetooth to Airthings App
Power Source: Battery Powered
Data Logging and Storage: Insights and logging via Airthings App
Calibration and Maintenance: Free 5-year warranty

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#4

9.1 score

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Airthings

Airthings 2930 Wave Plus - Radon & Air Quality Monitor, Battery Powered (CO2, VOC, Humidity, Temp, Pressure)

Accuracy: 7 days: σ ~ 10% at 5 pCi/L
Display and Interface: Color-coded lights, app via Bluetooth
Power Source: Battery Powered
Data Logging and Storage: Airthings app
Calibration and Maintenance: Initial calibration may be required

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26% OFF
#5

8.8 score

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Airthings

Airthings 2950 Wave Radon - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App

Display and Interface: Color coding, Bluetooth, Airthings app
Power Source: Battery Powered (2 AA included)
Data Logging and Storage: Airthings app, Smartlink, Airthings Hub

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35% OFF
#6

8.5 score

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Airthings Corentium Home Radon Detector 2350 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

Accuracy: resistant to EMI and dust
Response Time: initial in 24 hours, accurate in 7 days
Display and Interface: LCD screen
Power Source: three AAA batteries
Data Logging and Storage: daily, weekly, long-term radon data
Calibration and Maintenance: reset and reused multiple times

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15% OFF
#7

8.2 score

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Airthings

Airthings 2989 View Radon - Radon Monitor with Humidity & Temperature Detector - Battery Powered Mobile APP, WiFi, Alerts & Notifications

Display and Interface: customizable display, color-coded, Airthings App, iOS, Android, WiFi
Power Source: 6 AA batteries
Calibration and Maintenance: low maintenance, battery life up to 3 years

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#8

7.9 score

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Airthings

Airthings Corentium Pro Digital Radon Monitor, Portable

Accuracy: certified by AARST/NRPP
Display and Interface: mobile app
Power Source: Battery Powered
Data Logging and Storage: stores up to 5 years
Calibration and Maintenance: periodic calibration required

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#9

7.6 score

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LifeBasis

LifeBasis Radon Detector, Radon Test for Home with Long and Short Term Radon Meter, Home Radon Gas Monitor US Version-pCi/L (Update Version, Carbon Fiber Color)

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5% OFF
#10

7.3 score

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Aranet

SAF Aranet Radon Detector for Home: 10-Min Measurement, Temperature, Relative Humidity, Pressure, E-Ink Display, 7-Year Battery, Portable with Free App, Bq/m3 & pCi/L Selectable

Accuracy: ionization sensor
Response Time: 10 minutes
Display and Interface: E-Ink display, app integration
Power Source: 2 AA batteries
Data Logging and Storage: app integration

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Buying Guide for the Best Radon Monitor

Choosing the right radon monitor is crucial for ensuring the safety and health of your home or workplace. Radon is a radioactive gas that can cause serious health issues, including lung cancer, if it accumulates to high levels. A radon monitor helps you detect and measure the concentration of radon gas in the air, allowing you to take necessary actions if levels are too high. When selecting a radon monitor, it's important to consider several key specifications to ensure you get a device that meets your needs and provides accurate, reliable readings.
AccuracyAccuracy refers to how close the monitor's readings are to the actual radon levels in the air. This is important because inaccurate readings can either give a false sense of security or cause unnecessary alarm. Accuracy is usually expressed as a percentage. Higher accuracy (closer to 100%) is better, but for most home use, an accuracy of around 90-95% is generally sufficient. If you need the monitor for professional or scientific purposes, you might want to opt for a device with higher accuracy.
Response TimeResponse time is the amount of time it takes for the monitor to provide a reading after being exposed to radon. This is important because quicker response times allow for faster detection and action. Response times can range from a few minutes to several hours. For continuous monitoring, a longer response time (up to 24 hours) is acceptable, but for spot checks or initial assessments, a shorter response time (a few minutes to an hour) is preferable.
Display and InterfaceThe display and interface of a radon monitor determine how easy it is to read and interpret the data. This is important for ensuring that you can quickly understand the radon levels and take action if necessary. Some monitors have simple digital displays, while others offer more detailed information and even connectivity to smartphones or computers. If you prefer straightforward, easy-to-read data, a basic display will suffice. However, if you want more detailed analysis and tracking, look for a monitor with advanced display features and connectivity options.
Power SourceThe power source of a radon monitor can affect its convenience and placement options. Monitors can be battery-operated, plug-in, or even solar-powered. Battery-operated monitors offer flexibility in placement but require regular battery changes. Plug-in monitors provide continuous power but need to be near an outlet. Solar-powered monitors are eco-friendly but depend on sufficient light exposure. Choose a power source that fits your monitoring location and convenience preferences.
Data Logging and StorageData logging and storage capabilities allow the monitor to record radon levels over time, which is important for tracking trends and identifying patterns. This feature is particularly useful for long-term monitoring and for providing data to professionals if needed. Some monitors store data internally, while others offer cloud storage or connectivity to external devices. If you need to keep detailed records, look for a monitor with robust data logging and storage options.
Calibration and MaintenanceCalibration and maintenance refer to the processes required to keep the monitor accurate and functioning properly. This is important because regular calibration ensures the monitor continues to provide reliable readings. Some monitors require professional calibration, while others can be calibrated by the user. Maintenance needs can vary, with some monitors requiring periodic sensor replacements or software updates. Consider how much time and effort you are willing to invest in maintaining your monitor when making your choice.

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