In the simplest terms, humidity is a natural occurrence of water vapor in the air. It plays a big part in how clouds are made ...
FIGURE 1. Relative indoor humidity (violet) and absolute exterior humidity (orange) displayed over 26 months. For the majority of winter months, rh ranged between 35 and 60 percent. December 10, 2018 ...
Keeping your home’s humidity in the 40% to 60% range could make it harder for flu viruses to spread.