The Connection Between Humidity and Mold Growth

Mold growth is often thought of as something that only occurs in damp, humid environments. However, mold can actually grow in any environment that has a moisture problem. The key to preventing mold growth is to control the indoor humidity levels in your home.

Humidity is a measure of the amount of water vapor in the air. When the air is saturated with water vapor, it is said to be 100% relative humidity. Relative humidity is the ratio of the actual amount of water vapor in the air to the amount of water vapor required to saturate the air at a particular temperature.

The ideal relative humidity level for preventing mold growth is between 30% and 50%. However, mold can actually start to grow at relative humidity levels as low as 60%.

There are a few things that you can do to help control the humidity levels in your home and prevent mold growth. Some of these things include:

– Use an air conditioner or dehumidifier to remove moisture from the air

– Ventilate your home by opening doors and windows

– Use exhaust fans in the kitchen and bathroom

– Fix any leaks in your home

– Dry wet areas of your home immediately

If you have a mold problem in your home, it is important to have it professionally remediated. Mold can cause a variety of health problems, so it is not something that you should try to remove on your own.

Sources:

https://www.epa.gov/mold/molds-humidity

https://www.cdc.gov/mold/dampness_facts.htm

https://www.mayoclinic.org/healthy-lifestyle/adult-health/expert-answers/mold-allergy/faq-20058097