Air pollution involving very fine dust, such as PM2.5 particles, poses a serious threat to human health. Scientists in Austria have developed what they call the smallest particle sensor in the world, ...

It is slightly smaller than two one-cent coins stacked on top of each other, is particularly energy-efficient due to its size, requires no maintenance and can be integrated in mobile devices. It is ...

ISO 21501-4 is a new type of international calibration standard that deals with periodic and performance calibration of light-scattering air particle counters (LSAPC or APC) throughout the service ...