This QuickApp reads the PM1, PM2.5, PM4, PM10, Temperature, Humidity and Air Pressure (and calculated absolute Humidity) values directly from a sensor. With this sensor you can measure air quality yourself. This QuickApp will send notifications when PM2.5 or PM10 readings reach a breakpoint.    The Air Quality sensor is a DIY setup for less than 50 euro. It is very easy to assemble and ready to make kits are available, see also Please login or register to see this link.  for more info.