The ideal indoor humidity level for a home is between 40% and 60% . This range promotes comfort, health, and excellent air quality. However, the ideal humidity level for your home will depend on your familys comfort levels, the time of year, and what kind of clothes youre wearing. During colder months, the optimal indoor humidity range is 30% to 40% . To discourage the growth and spread of mold, levels should be kept below 50% . However, anything between 30% and 60% humidity is acceptable for a home environment. Anything lower will create problems, just as anything higher will create problems. If the humidity level is too low, it can cause dry skin, lips, and eyes, itchiness, and a sore throat. If the humidity level is too high, it can create condensation on windows, promote mold growth, produce a foul or muggy odor, draw in insects, and give the air an overall moist, sticky feel.

In summary, the ideal indoor humidity level for a home is between 40% and 60%, but it is important to adjust this to match your comfort levels. During colder months, the optimal indoor humidity range is 30% to 40%. Anything between 30% and 60% humidity is acceptable for a home environment.