Normal Indoors Humidity

Bacterial and viral growth.

Normal indoors humidity. When the outdoor temperature is over 50 f indoor humidity level should be less than 50. Outdoor temperature between 10 f and 0 f indoor humidity levels shouldn t exceed 25. Between 10 f and 20 f indoor humidity level should be less than 35. We ll go into more detail about each of these issues then we ll share how you can fight high indoor humidity this summer.

In the winter humidity of between 30 and 40 percent is considered normal. Some humidity is good 35 50 relative humidity is ideal but when indoor humidity levels exceed 50 you ll start to get issues like mold mildew. A hygrometer is a small gadget that measures the relative humidity level and temperature quickly and easily. According to the environmental protection agency epa indoor humidity levels should be kept below 60 percent relative humidity and ideally between 30 and 50 percent.

However experts suggest that the most favorable in home humidity level should be close to 45 for optimal health and safety. If it gets much lower than 30 you risk problems with dry skin and and irritating cold like symptoms. Between 20 f and 50f indoor humidity level should be less than 40. It s easy to measure the levels in your home by using a hygrometer.

Measuring home humidity level. The ideal is somewhere around 45 55. That being said maintaining an ideal level of humidity indoors is essential. Health issues like respiratory infections and aggravated allergies.

According to the american society of heating refrigerating and air conditioning engineers ashrae the ideal humidity range for humans is between 30 to 60 percent relative humidity. Well going above or below that range can lead to problems like. The typical range for the best comfort during the summer as listed in the home humidity levels chart is between 30 45. Damage to furniture and appliances.

Outdoor temperature at 20 f or lower indoor humidity levels shouldn t exceed 15. Mold and mildew growth. Very high levels of humidity contribute to the growth of mold funguses dust mites and other pests. Ideal home humidity level.

Fortunately while you can t change the outdoor humidity there are a number of steps you can take to control humidity levels in your house which should ideally be between 30 percent and 50.