I think there's perhaps a good argument all inner-city houses should have these. Perhaps all homes? We know small particles kill. It's why smoking kills not n

I think there's perhaps a good argument all inner-city houses should have these. Perhaps all homes? We know small particles kill. It's why smoking kills not nicotine afaik. I get the cubic law, so comparing smoking to dust and long distance smoke is not quite the same. But I'd like to see the proper figures. These devices extend our lives for how long? in what locations?