GLOBE sun photometer

DIY sensor for monitoring airborne qualitative concentrations of PM2.5

CanAirIO

DIY sensor for monitoring airborne concentrations of PM2.5

airRohr

DIY sensor for monitoring airborne concentrations of PM2.5

Frackbox

DIY sensor for monitoring airborne concentrations of VOCs, NOx, O3, (and also possible PM2.5)

DustBox

DIY sensor for monitoring airborne concentrations of PM2.5