SwitchBot's Meter Pro tracks air quality wherever you put it and had surprising results for my kitchen, bedroom and more.

Air Lab is a portable air quality sensor which measures CO2, VOCs, nitrogen oxides, the temperature and relative humidity, ...

In addition to temperature, humidity, and barometric pressure, it can monitor VOC air quality, providing a more detailed environmental picture. Size-wise, it’s really tiny and can fit almost ...

The master bedroom might need a more comfortable temperature than the living room, while the basement could require better humidity control if damp. With a sensor in each room, you can monitor ...

At $22, you can pick up the Smart Wi-Fi Temperature Humidity Monitor, which performs its task of alerting you of temperature levels on your phone. You can switch between Celsius and Fahrenheit ...