Airthings Wave Mini review
Airthings Wave Mini Indoor Air Quality Monitor
By Tom Calder
This is a VOC-and-damp device rather than an air quality monitor in the general sense: no radon, no CO2, no particulates and emphatically no carbon monoxide. Its Mould Risk Indicator is a 0–10 score calculated from temperature and humidity, not a measurement of mould or spores. It is the cheapest way into the Airthings app, but you are paying close to Aranet4 money for considerably less sensing.
- Best for
- A damp-prone bathroom, utility room or bedroom where humidity and airborne chemicals are the actual question.
- Skip it if
- You want to know when to open a window
as of 5 Nov 2026, 01:07 GMT · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.co.uk at the time of purchase will apply to the purchase of this product.We earn a commission if you buy through the retailer links on this page. It doesn't change our verdict. How we make money →
Researched, not used. We haven't used this product. This review is built from the maker's specifications, owner reports and our own sizing.
What we like
- Cheapest route into the Airthings app, with proper history graphs
- 3x AA lasts a claimed two years-plus, or three years-plus via SmartLink
- Mould Risk Indicator condenses temperature and humidity into one number you can act on
Worth knowing
- Measures the least of anything here — no radon, no CO2, no PM2.5 and no carbon monoxide
- The Mould Risk Indicator is calculated from temperature and humidity, not a mould or spore measurement
- No screen, and SmartLink access requires a View-series monitor acting as a hub
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Who shouldn't buy this
Don't buy it if you want to know when to open a window — the Aranet4 Home measures CO2 and this does not.
Key specs
| Measures | VOCs, temp, humidity, calculated mould risk. No radon, CO2, PM2.5, CO. |
| Display | No screen — wave your hand for a red/yellow/green glow |
| Connectivity | Bluetooth to app; SmartLink needs a View-series hub (extra) |
| Power | 3x AA — over 2 years claimed, over 3 years via SmartLink |
This is a Researched review: we haven't used this product. We check every specification against at least two independent sources, re-check the UK price on a schedule where we can track it automatically, and say plainly who it isn't for. Commissions never change a rating.
If this isn’t the one

Best for One device covering radon, particulates and CO2 in the same room, with a screen you can actually read.
as of 5 Nov 2026, 01:07 GMT · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.co.uk at the time of purchase will apply to the purchase of this product.
Best for Knowing, from the other side of the room and without touching your phone, when to open a window.
as of 5 Nov 2026, 01:07 GMT · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.co.uk at the time of purchase will apply to the purchase of this product.
Best for Radon and CO2 monitoring in a home that already has, or is willing to add, an Airthings hub.
as of 5 Nov 2026, 01:07 GMT · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.co.uk at the time of purchase will apply to the purchase of this product.Free alerts for your home
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