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Best radon monitors with an app

Radon monitors with a phone app, compared side by side: how each connects, what it shows and how it is powered.

Each monitor below has a phone app, according to its maker, for the reading history, graphs and alerts. Some connect over Bluetooth when you are nearby; others over Wi-Fi from anywhere.

14 results

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Every figure in one tableEach figure is the maker's own, as its product page or manual states it.

Home radon monitors (14)

Compare side by side
Home radon monitors (14)
ProductHow it measuresPowerScreen and appFirst readingC-NRPP 2024/25
Airthings Corentium Home 2Alpha spectrometry, passive diffusion chamberBatteryScreen and appNot statedNot included
Airthings View PlusAlpha spectrometry, passive diffusion chamberBatteryScreen and appNot statedApproved
Airthings View RadonAlpha spectrometry, passive diffusion chamberBatteryScreen and appNot statedApproved
Airthings Wave PlusAlpha spectrometry, passive diffusion chamberBatteryApp onlyNot statedNot included
Airthings Wave RadonAlpha spectrometry, passive diffusion chamberBatteryApp onlyNot statedNot included
Aranet Radon OneAlpha decay event detection with an ionization chamber, air diffusionBatteryScreen and appAfter 10 minutesNot included
Aranet Radon PlusAlpha decay event detection with an ionization chamber, air diffusionBatteryScreen and appAfter 10 minutesApproved
Ecosense EcoQubePulsed ionization chamberPlug-inApp onlyAfter 10 minutesApproved
Ecosense EcoQube FlexPulsed ionization chamberBatteryScreen and appAfter 15 minutesNot included
Ecosense RadonEye RD200Pulsed ionization chamberPlug-inScreen and appAfter 10 minutesApproved
GQ Electronics RadonProGQ Radon Gas Sensor (GQ's own name); sensor type and sampling method not stated by the maker. The separate Geiger counter counts radiation and is not the radon measurementPlug-inScreen and appAfter 5 minutesNot included
GQ Electronics RadonScan-PlusGQ Radon Gas Sensor, described by GQ only as high-sensitivity; sensor type and sampling not stated by the makerPlug-inScreen and appAfter 5 minutesNot included
SunRADON lüftSolid-state radon sensor (absolute reading); sampling method not stated by the makerPlug-inApp onlyAfter 90 minutesApproved
X-Sense XR0A-iRContinuous alpha spectrometry, passive diffusion chamberBatteryScreen and appAfter 24 hoursNot included

Questions

Can I use a consumer radon monitor for a home sale?

For a home sale, most buyers, sellers and states rely on a short-term test placed by a qualified tester or a certified kit, run under closed-house conditions; a consumer monitor's reading is useful for your own home but is not usually accepted as the sale's test. Check your state's rules first.

Where should a radon monitor go?

EPA's guidance for any home test applies to a monitor too: test the lowest lived-in level, in a room used regularly but not a kitchen or bathroom, away from drafts, high heat and humidity.

What radon level should I act on?

EPA recommends fixing a home at or above 4 pCi/L and considering a fix between 2 and 4 pCi/L. A monitor's long-term average is the figure to compare with those levels, not a single day.

Further reading