Smogware is a publicly engaging project to provoke debate and behaviour change towards improved air quality. Harvesting smog dust is used to stain ceramic glazes, the particulate matter makes visible and even tangible the poor air quality that surrounds us. Smogware has collaborated with researchers and ceramic makers from the Netherlands, to global cities from Milan, Berlin, to Beijing and London. Smogware aims to empower citizens how to harvest their local dust and use it to investigate the colour of a local smog-glaze and air quality.