He uses a cheap, $12 sensor with an Arduino and a Radiation shield and monitors the data on his computer. Surprisingly, ... However, a good air quality monitor .

This article shows a method of exploring air quality monitoring by measuring carbon dioxide, volatile organic compounds (VOC), and dust levels using the Arduino* ecosystem and sending the data to ...

“Monitor air quality at home, 24 hours per day, 365. ... Build upon Airio’s out-of-the-box continuous-monitoring architecture using the fan-favorite Arduino IDE.

The device could monitor sleep activity, noise, light and air quality levels, temperature, humidity, and also had a ‘smart alarm’. It was the alarm we got most value out of it.