3 ms·
Also PM2.5 is easy to filter out. Any cheap device can filter it out quite efficiently. For NO2 I tried all the most expensive devices, and none of them worked
by xiphias2 6y ago
Also PM2.5 is easy to filter out. Any cheap device can filter it out quite efficiently.
For NO2 I tried all the most expensive devices, and none of them worked :(
- GordonS 6y agoThis might be a silly question, but how would you filter stuff "emitted" by tyres?
- xiphias2 6y agoI'm not a scientist, just an asthmatic person. All I can tell you is that I am so far not sensitive to electric cars at all. Regarding PM2 and NO2, I bought decices to measure them, that's why I have these results.
- jfk13 6y agoAs it happens, an article related to this came up just a couple of weeks ago: https://news.ycombinator.com/item?id=25246857 https://news.ycombinator.com/item?id=25246857