ScienceWhere does fine dust come from?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience06/09/2017June 9, 2017There are many sources of fine dust: In urban areas, it comes mainly from automobile exhaust, heaters and power stations. Particulates from wear and tear on brakes and tires also contribute to particulate concentrations.https://p.dw.com/p/2ePycAdvertisement