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A few weeks ago, I stumbled across something that gave me quite a shock – Aranet had quietly (almost stealthily) launched a new radon monitor. At… Read More »Aranet Radon One – A Cheaper Radon Plus?

January 2025 Update With the current firmware, the Atmotube Pro 2 appears to have issues with its carbon dioxide measurements. I’ve experienced this myself, and… Read More »Atmotube Pro 2 Review – Was It Worth the Wait?

Earlier this year, I reviewed the original Airthings Corentium Home and came away with mixed feelings. While the device has been proven to be accurate,… Read More »Airthings Corentium Home 2 Review – Better than Aranet?

With more indoor air quality monitors becoming available every day, it’s becoming more and more difficult for monitors to differentiate themselves from one another and… Read More »AirGradient ONE Review – An Open-Source, Affordable Air Quality Monitor

Despite being available for many years, carbon dioxide monitors have only recently gained widespread attention. These handy devices – perfect for identifying poorly ventilated indoor… Read More »11 Best Carbon Dioxide Monitors I’ve Found After Testing 30+ Devices

Depending on where you live, monitoring radon could potentially be life saving. However, despite being a leading cause of lung cancer and a well-documented indoor… Read More »The Best Radon Monitors I’ve Tested. Which Ones Are Worth Buying?

Over the past couple of years, it feels like air quality monitoring has been going through the same rapid shift we’re seeing in a lot… Read More »I Tested the Purpleair Pixel. Here’s the Good and the Bad

Quite a while ago now – in fact over a year ago (time flies!) – I received and tested the PurpleAir Zen. At the time,… Read More »PurpleAir Touch Review: How Does It Compare to Other Indoor Air Quality Monitors?

For the past two to three months, I’ve been testing the most exciting outdoor air quality monitor I’ve encountered yet – the AirGradient Open Air… Read More »AirGradient Open Air Max – First Thoughts

One of the most common questions I get asked is ‘What is the best affordable carbon dioxide monitor?’. In fact, I probably receive this question… Read More »INKBIRD PTH-10C – My New Favourite Affordable Carbon Dioxide Monitor