> how much can you buy one for or build one for? $10: https://www.ikea.com/us/en/p/vindriktning-air-quality-sensor-60515911/ https://www.ikea.com/us/en/p/vindr

> how much can you buy one for or build one for? $10: https://www.ikea.com/us/en/p/vindriktning-air-quality-sensor-60515911/ https://www.ikea.com/us/en/p/vindriktning-air-quality-sensor... presumably not quite feature-comparable, but the article and website are rather absent in report what exactly the "flatburn" is detecting - sounds like "fine particulate" (PM2.5? PM10?) and NO2