For sure, a hygrometer to go with the thermometer! Humidity is great to know if you’re at a mold risk (too high) or wood flooring damage risk (too low).
A barometric sensor would be neat (with a corresponding indicator for rising/falling), but probably less useful for most people.
The other popular air quality sensors (CO2, CO, VOC, PM2.5, etc.) are a little harder to QC, but the airgradient.com folks seem to have sourcing sussed out for at least some of those.
A barometric sensor would be neat (with a corresponding indicator for rising/falling), but probably less useful for most people.
The other popular air quality sensors (CO2, CO, VOC, PM2.5, etc.) are a little harder to QC, but the airgradient.com folks seem to have sourcing sussed out for at least some of those.