That stuff is mostly not airborne and much heavier than the sooth that coats buildings and lungs equally. And of course the toxic fumes that you breath. If you

That stuff is mostly not airborne and much heavier than the sooth that coats buildings and lungs equally. And of course the toxic fumes that you breath. If you have small kids, the toxicity at knee level is a lot higher if you are near a busy road. If you want a sneak preview of the future, visit Oslo. Traffic is mostly clean and quiet there.