The only consumer monitor in this comparison that measures radon — a colourless, odourless radioactive gas responsible for 21,000 US lung cancer deaths annually. Adds CO2, VOC, PM2.5, temperature, and humidity. Battery-powered (6 AA cells, ~16-month life). Wave visual indicator gives instant air quality feedback without unlocking a phone. The wave gesture to trigger the LED readout is clever UX. For basement or ground-floor homes in radon-risk zones, this is a uniquely important device.
Available on amazon.es · Preus en EUR. Enviament des d'Amazon.es.
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| Sensors | Radon, CO2, VOC, PM2.5, Temp, RH |
| PM2.5 accuracy | ±20 µg/m³ (indicative) |
| CO2 range | 400–5,000 ppm |
| Display | Wave LED indicator + app |
| Battery | 6× AA, ~16 months |
| Data logging | Airthings app + Hub (optional) |
The Airthings Wave Plus occupies a unique position in this comparison: it is the only consumer device that measures radon. This matters more than most buyers initially appreciate. Radon is a colourless, odourless, radioactive gas that occurs naturally from uranium decay in soil and rock. It infiltrates ground-floor and basement spaces through foundations, and it is responsible for approximately 21,000 lung cancer deaths in the United States annually — second only to smoking. The EPA recommends action if long-term radon averages exceed 4 pCi/L.
The Wave Plus adds CO2, total VOC, PM2.5, temperature, and humidity to radon detection — making it a genuinely comprehensive sensor suite for basement or ground-floor monitoring. The signature feature is the "wave" gesture interface: passing your hand in front of the device triggers a multi-colour LED readout that gives instant air quality status without requiring a phone unlock. Green/yellow/red LEDs indicate overall status across all sensors.
Six AA batteries provide approximately 16 months of operation — a practical battery life that makes cable-free placement anywhere in a home genuinely realistic. The Airthings app provides historical trend charts for all sensors, with radon averaging shown as both short-term (last 48 hours) and long-term (since device placement) values.
The limitation to be aware of: PM2.5 and CO2 accuracy are indicative rather than research-grade (±20% PM2.5, and CO2 is not true NDIR). For homes where PM2.5 accuracy or CO2 precision is the primary requirement, the IQAir AirVisual Pro or Aranet4 are more appropriate choices. For basement rooms, ground-floor spaces in geological radon-risk areas, or any home where radon hasn't been tested, the Airthings Wave Plus is an essential device.
€219 · Preus en EUR. Enviament des d'Amazon.es.
See how the Wave Plus stacks up against all 6 models in our full comparison.
Comparació completa →