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Airthereal

Airthereal RM-63Pro

Rechargeable radon monitor with a touchscreen

  • Monitor
  • Battery
  • Screen
  • Semiconductor sensor
C-NRPP 2024/25 evaluation: Not includedSee the evidence
  • Airthereal RM-63Pro
  • Airthereal RM-63Pro, photo 2 of 3
  • Airthereal RM-63Pro, photo 3 of 3

Photos: Airthereal

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  • PowerBattery
  • ReadingsScreen
  • C-NRPP 2024/25Not included
  • Every figure checked against the specifications Airthereal publishes
  • Independent test results shown the same way for every product, unranked
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About this item

As Airthereal states it

  • How it measures: High precision radon semiconductor sensor (Airthereal specification table)
  • Reading updates: Every 1 hour, with 6h, 12h, 24h, 48h and 96h readings and average and peak values
  • Display and app: Built-in display
  • Power: Battery: Built-in 2000mAh rechargeable battery, charged over USB Type-C; battery runtime not stated by the maker for this model
  • Units: pCi/L or Bq/m³, switchable

The RM-63Pro is Airthereal's touchscreen radon monitor. Airthereal lists a semiconductor sensor, a 3.4-inch colour touchscreen, a reading that updates every hour with 6h to 96h values plus average and peak figures, an audible alarm at a threshold you set, PDF report export and a 2000mAh rechargeable battery. Its product text gives no battery runtime for this model, and its warranty list does not name it. It was not included in C-NRPP's 2024/25 evaluation, so there is no independent result for it either way.

What you get

Airthereal's store describes its package photo as the radon detector with its packaging, a user manual and a USB cable; Airthereal publishes no other list of contents. Its documents page carries the RM-63Pro user manual for the US.

In the box and running costs

How it works

What it measures and how

The sensor, the sampling and the readings, then who has checked it

How it works

In our words, from the maker's documents

Airthereal says the RM-63Pro is built with a high-sensitivity semiconductor sensor, and the specification table on its page lists a high precision radon semiconductor sensor. It is a continuous monitor: it stays in the room and keeps measuring, with nothing to mail to a lab. Airthereal describes its accuracy as reliable over the long term.

Airthereal says the monitor updates its radon data every hour and displays 6h, 12h, 24h, 48h and 96h readings, including average and peak values. The short windows show change over a day or two; the longer ones smooth out the swings radon makes from hour to hour. You can switch the display between pCi/L and Bq/m³.

On the wait for a number you can trust, the specification table on Airthereal's page reads: reliable data measurement time 24 hours later when radon concentration is lower than 156 Bq/m³ (about 4.2 pCi/L). The store record's description instead promises a first reading in just 6 hours, 18 hours faster than traditional monitors. Read together, a figure may appear sooner, but Airthereal's own table puts the reliable one a day out at ordinary home levels.

Airthereal publishes a range of 0.09 to 1000 pCi/L (3.3 to 37000 Bq/m³) and a precision of ±15%. It gives a detection environment of -10 to 45°C (-14 to 113°F) at relative humidity below 80%, noting that errors may occur outside that range. The unit measures 76 x 76 x 40 mm (3.0 x 3.0 x 1.6 inches) and weighs 143 g (0.31 lb).

Readings leave the device as PDF reports: Airthereal says it supports data export for PDF reports. The product page describes no phone app, Bluetooth or Wi-Fi link for this model, so the touchscreen and the exported files are how you see the history.

Airthereal says the built-in audible alarm alerts you when radon exceeds the threshold you set, and its table adds that once the threshold is passed the alarm sounds for 20 seconds every 10 minutes.

Power is a 2000mAh rechargeable battery charged through a USB Type-C port; a green light is on while it charges and goes out when it is full. Airthereal's page says only that the battery gives long standby time. The store record's description mentions up to 45 days of battery life, but the same description speaks of a 2.0-inch colour display, which is how Airthereal's RM-65 page describes the RM-65, along with that model's 45-day runtime. Since the RM-63Pro has a 3.4-inch touchscreen, the 45 days cannot be read as this model's figure, and Airthereal's product text gives no other.

What the manufacturer says

Airthereal's own statements, attributed

  • Airthereal saysAirthereal states the semiconductor sensor measures radon from 0.09 to 1000 pCi/L with reliable long-term accuracy.
  • Airthereal saysAirthereal lists the precision as ±15%.
  • Airthereal saysAirthereal describes the touchscreen as an upgrade from traditional button controls, with a 3.4-inch full-color HD display.
  • Airthereal saysAirthereal says switching between pCi/L and Bq/m³ lets you match EPA guidance or international standards.
  • Airthereal saysAirthereal's store record says the first reading comes in 6 hours, 18 hours faster than traditional monitors.
  • Airthereal saysAirthereal says the PDF report export makes it ideal for homeowners, real estate inspections and long-term radon analysis.

These are Airthereal's own statements, attributed to it. They are not our findings, and we have not tested this product ourselves.

Independent evidence

C-NRPP 2024/25, recalls and studies

C-NRPP 2024/25
Not included in C-NRPP's 2024/25 evaluation

The Canadian National Radon Proficiency Program's 2024/25 comparison of consumer monitors did not include Airthereal RM-63Pro. That is a fact about which devices took part, not a finding about this one: no result from that program exists for it either way.

Recalls
No Health Canada recall or advisory names this device.
Peer-reviewed studies
We found no peer-reviewed comparison that names this model.
Notes
  • No Health Canada recall or advisory, and no row of C-NRPP's not-approved list, names Airthereal or an RM-63 model (checked 2026-10-08).

C-NRPP is the Canadian National Radon Proficiency Program. Its 2024/25 results were published in May 2025.

Specifications

Specifications

Every figure as the maker states it

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The maker's figures

Type
Continuous monitor, rechargeable (2000mAh), 3.4-inch colour touchscreen, audible alarm, PDF reports over USB
How it measures
High precision radon semiconductor sensor (Airthereal specification table)
First reading
Not stated by the manufacturer
Reading updates
Every 1 hour, with 6h, 12h, 24h, 48h and 96h readings and average and peak values
Display and app
Built-in display
Power
Battery: Built-in 2000mAh rechargeable battery, charged over USB Type-C; battery runtime not stated by the maker for this model
Units
pCi/L or Bq/m³, switchable

What is in the box

Airthereal's store describes its package photo as the radon detector with its packaging, a user manual and a USB cable; Airthereal publishes no other list of contents. Its documents page carries the RM-63Pro user manual for the US.

The warranty term for the RM-63Pro is not stated by the maker. Airthereal's warranty page covers manufacturing and material defects from the date of purchase for the original purchaser, and its Warranty Product List gives the RM-65 1 year, but the RM-63Pro is not on that list. For purchases from Airthereal's own store, the same page asks you to reach out within 30 days of purchase for a return, and sends buyers from other shops back to the original purchasing channel.

What it costs to run

Airthereal's page lists no lab fee, subscription or replaceable part. The running cost is the electricity to recharge the 2000mAh battery over USB-C; how often depends on a runtime Airthereal's product text does not give for this model.

Airthereal publishes no calibration service, sensor lifespan or replacement schedule for the RM-63Pro, so those are not stated by the maker.

Fit and setup

Who it fits, and how to use it

The fit, then setup and placement as the guidance asks

Who it fits

Good fit if, and look elsewhere if

Good fit if

  • You want to read radon on a large colour touchscreen with no phone, app or account.
  • You want a sound alarm at a radon level you choose.
  • You want PDF records of your readings.
  • You want a monitor you can recharge over USB-C and move between rooms.

Look elsewhere if

  • You want a monitor whose own model was graded in C-NRPP's 2024/25 evaluation; the RM-63Pro was not included.
  • You want history in a phone app or over Wi-Fi; Airthereal describes PDF export only.
  • You want a stated battery runtime and warranty term; Airthereal's text gives neither for this model.
  • You need a result for a home sale; check what your state accepts before relying on any consumer monitor.

Setup and placement

3 steps

  1. Charge it over the USB Type-C port until the green light goes out, then put it where it will stay. Airthereal's stated detection environment is -10 to 45°C at relative humidity below 80%, and it warns that errors may occur outside that range, so check that the spot you choose stays within it.
  2. EPA's general guidance for any home radon test is to measure on the lowest lived-in level of the home, in a room used regularly but not the kitchen or bathroom, at least 20 inches above the floor and away from drafts, high heat, high humidity and exterior walls. EPA says to fix the home at 4 pCi/L or more and to consider fixing between 2 and 4 pCi/L.
  3. C-NRPP's advice for any consumer monitor is to place it in a room occupied at least 4 hours a day, to test for a minimum of 3 months, preferably in the heating season, and to decide on the long-term average, following up with a long-term test if you have less than 91 days of data. The 6h to 96h readings are useful for spotting change, but a decision on mitigation rests on the months-long average.

How C-NRPP says to use any consumer monitor

  • Leave it in place for at least three months, ideally through the heating season, when indoor radon tends to be highest.
  • Put it in a room someone uses for at least four hours a day.
  • Decide about fixing your home from the long-term average, not a single day or week.
  • If you can only run a monitor for less than 91 days, follow up with a long-term test.

For where any radon test or monitor should sit in a home, see where to place a radon test.

Compare

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The same three rows for each, and the one difference that matters

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Questions

Questions people ask

6 questions about the Airthereal RM-63Pro, answered

Asked about the RM-63Pro

How soon does it show a radon reading?

Airthereal's figures differ by source. The store record's description says the first reading comes in 6 hours. The specification table on the product page says reliable data takes 24 hours when radon is below 156 Bq/m³, about 4.2 pCi/L. Either way, one day of data is a short-term number; the average built up over months is the one to act on.

How long does the battery last on a charge?

Airthereal's product text does not give a figure for this model. The product page lists a 2000mAh battery with long standby time. The store record mentions up to 45 days, but in a description that also speaks of a 2.0-inch display, which matches the RM-65's page and its 45-day runtime rather than this touchscreen model.

Does it work with a phone app or Wi-Fi?

Airthereal describes neither for the RM-63Pro. Readings are shown on the touchscreen, and the product page says the history leaves the device through PDF report export.

What warranty does Airthereal give on the RM-63Pro?

No term is stated by the maker. Airthereal's warranty list names the RM-65 at 1 year but does not list the RM-63Pro. The warranty page covers manufacturing and material defects for the original purchaser, and buyers from Airthereal's own store are asked to reach out within 30 days of purchase for a return.

Has the RM-63Pro been independently tested?

It was not included in C-NRPP's 2024/25 consumer monitor evaluation, so there is no C-NRPP result for it either way. The ±15% precision is Airthereal's own figure.

Can I use it for a home sale?

Airthereal says its PDF reports make it ideal for homeowners and real estate inspections. That is the maker's description, not a certification. A consumer monitor does not replace the radon test a home sale calls for unless your state's rules say so, so check what your state accepts first.

What to do next

Updated October 8, 2026