Smart-P sensors measure PM2.5 and PM10 concentrations and record the data every 1 to 60 sec. They use the cyclist’s smartphone for time stamp and for geolocation. The current version works with Android phones. App for the IOS system is under development.


  • measurement range: 0 to 1000 ug m-3
  • size: 85×85×42 mm
  • weight: 147 g 
  • bias error: -3.0 to 1.5 ug m-3 (PM2.5) 
  • reproducibility: 6%  (mobile mode, PM2.5)