Citizen science network produces accurate maps of fine air particles
Measurements by thousands of citizen scientists in the Netherlands using their smartphones and the iSPEX add-on are delivering accurate data on fine air particles in the atmosphere that add valuabl
![iSPEX- opzetstukje](/sites/default/files/styles/thumbnail/public/2018-11/iSPEX-proto2f.jpg?itok=jLx4mWHw)