About

OpenAQM is a project to develop an open-source (both hardware and software) air quality monitor, with a target retail price point of under $100. Air pollution is now the second leading global risk factor for death according to State of Global Air and, for something to be improved, first it needs to be measured.

About me

I’m David Knell. I grew up fiddling with computer software and hardware in the 1980s and I’m still doing so. I have some personal interests in this project: I was rendered unable to do more than walk slowly from smoke from pine being burned to heat homes in Athens a few years ago, and the initial motivator for this project was my daughter having trouble staying awake at school, something which I suspected may have been caused by elevated levels of CO₂ in the classroom.