Humidity: the 30 to 50 percent rule
Below 30%, your throat dries out and viruses last longer. Above 60%, mold and dust mites thrive.
Filtered view. Return to /learn for the full reference.
Below 30%, your throat dries out and viruses last longer. Above 60%, mold and dust mites thrive.
ASHRAE defines a comfort zone. The bedroom is its own special case: cooler is better.
Relative humidity is relative to temperature. Dew point is absolute. If you want to know whether the air is "muggy," dew point is the number.
The thermometer reading is just the air. Heat index and wind chill account for humidity and wind: closer to what your body experiences.
Sometimes the air feels wrong even when all the numbers look normal. The dashboard integrates several parameters into a subjective-experience model that explains why.
Breathe Better. Live Smarter.
One sensor. Twelve signals. Indoor readings connected to outdoor context and plain-English recommendations. Everything you just read can be measured live in your own home.
$249 USD one-time
Buy Terrestream Explore the sensorSix sensors. Twelve signals.
Built on genuine Sensirion, Bosch, and Texas Instruments sensors.
Included
Works with
Search the knowledge base.