Humidifiers add moisture, which is like a ‘heavy blanket’ that brings viruses to the ground level, away from noses and mouths, an expert said.

NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...

Relative humidity measures how much moisture is in the air compared to how much it could hold at a given temperature. It is simply the dew point temperature divided by the air temperature, times 100.

Not to be trite, but the air lately has been quite uncomfortable because of the amount of water in suspension. We often refer to this as “heavy” air because it is so dense. We will witness heavy ...

The main fire weather concerns will be from late morning through the afternoon each day when relative humidity is lowest. The ...