High Dynamic Range DIY Air Testing (opens in new tab)  🛡️AI Safety

DIY testing of air cleaning is practical, and thoughtful experimental design can substitute for high-quality sensors including for evaluating air purifier setups that give >100,000x particle reductions. I've done a lot of DIY testing over the years ( The cheapest ready-to-go option for DIY work today is probably the which I see as $70. While I haven't tried it, it's a stripped-down version of the which I bought several years ago to use for my DIY experiments. If you want to make something che...