A humidity level of about 45 percent is considered comfortable outdoors. Levels of humidity can vary from place to place. Humidity levels change according to seasons. Winters are dry and humidity is high in the summer.Continue Reading
Humidity levels can vary indoors and outdoors. If humidity gets too high indoors, a dehumidifier can be used. When it gets too dry indoors, a humidifier can be used.
The amount of water vapor in the air is expressed as relative humidity. It is expressed in percent, as it is the ratio of the amount of water vapor in the air to the total amount of moisture the air can hold at a particular temperature.Learn more about Weather & Tides
The term "basement humidity level" refers to the moisture content of the air in a basement. A humidity level above 80 percent encourages mold and mildew development, according to Basement Health Pros. The ideal humidity level for a basement is around 50 percent.Full Answer >
A psychrometer uses two thermometers, one ordinary and one a wet bulb thermometer, to measure relative humidity. It is a type of hygrometer, and is an older version of the more modern devices that use electronic sensors to measure changes in electrical resistance.Full Answer >
High humidity is generally regarded as the dew point temperature being at or only a few degrees below the measured air temperature. Dew point is the temperature at which water vapor condenses on surfaces, such as when morning dew condenses on grass.Full Answer >
Hygrometers measure the amount of moisture or humidity in the air, but there are a number of different types of hygrometers, and they display their results in different ways. Most hygrometers display their readings in the amount of water in a given volume of air, making the units milliliters per cubic centimeter. Alternatively, some hygrometers measure relative humidity, which is expressed as a percentage with no units.Full Answer >