4 ms·
A study linked last time this came up on HN indicated most of the particulate pollution is "resuspension", or previously generated particles kicked up by the ca
by telchar 7y ago
A study linked last time this came up on HN indicated most of the particulate pollution is "resuspension", or previously generated particles kicked up by the car passing. It makes sense to consider in some cases but I think it's misleading to quote those numbers in some contexts, leading to confusion like this.