It’s a hot summer day and you hear someone say, “The relative humidity is 80%!” They’re probably correct, but relative humidity is just not a good way to measure how muggy the air “feels” to our ...

Charlie from Rock Island wants to know if it's possible to have 100 percent relative humidity without rain? If so, why? Good question: it happens and often. When the humidity reaches 100 percent the ...

I never paid much attention to the humidity in my Silicon Valley house, but my allergist, who is treating me for a dust mite allergy, suggested using dehumidifiers in my bedroom and home office to ...