It is normal for humidity levels to fluctuate from day to day, and you may notice that the humidity levels in your home will fluctuate as well. Be aware that having too much or too little humidity in the home can have a negative impact, though.
The proper range for humidity range for a home is between 35 to 50 percent. If the humidity levels are too low, they can make you sick and cause sinus issues. If the levels are too high, it promotes the growth of mold. A humidifier is a good tool to keep the humidity just right in your home. A HVAC Professional can help you get a humidifier.