Can high humidity cause a musty smell?« Back to Previous Page

After the rain last month, I noticed a persistent musty smell in my bedroom closet, even after airing it out. The humidity seems to be really high, especially during the nights when the AC isn't enough to keep it at bay. Is there anything I can do to reduce the moisture and make the air more breathable?
Posted by Dieter Robert
Asked on December 6, 2025 6:28 pm
Absolutely, high humidity can certainly cause a musty smell. In the UAE, particularly in cities like Dubai where the climate is warm and often humid during certain times of the year, this issue becomes more pronounced. The musty odor you're experiencing could be indicative of mold growth or the presence of dampness which thrives in environments with elevated moisture levels.

In your case, since you've noticed a persistent musty smell even after airing out your bedroom closet, it suggests that there might be a significant amount of moisture present within the fabric and other materials inside. This is especially concerning during nights when air conditioning isn't sufficient to maintain low humidity levels.

High humidity can lead to condensation forming on surfaces, promoting mold spore germination and growth. Mold thrives in areas where there's ample moisture and warmth, which makes your closet an ideal environment for it. The musty smell you're experiencing is likely due to the breakdown of organic materials by these microorganisms.

To address this issue, start by improving ventilation. Ensure that the windows and doors are opened slightly during cooler periods to allow fresh air to circulate through your home. In Dubai's climate, which can be quite warm even in the evenings, this might help reduce humidity levels naturally.

Utilizing dehumidifiers is another effective solution. They can significantly lower indoor moisture content by removing excess water vapor from the air. For best results, place a dehumidifier in areas like your bedroom or closet where you're experiencing the musty odor.

Additionally, consider using silica gel packets or baking soda to absorb any remaining moisture in affected areas. These can be placed inside drawers and closets to help prevent further dampness build-up.

It's important to address the source of high humidity as well. In Dubai, air conditioning systems might not always fully meet the required dehumidification standards due to the high temperatures during summer months. Professional inspection is recommended if you're unsure about your AC system’s efficiency or suspect that there are underlying structural issues contributing to elevated moisture levels.

If these steps do not sufficiently alleviate the musty smell and dampness, it may be necessary to call in professional services. Saniservice can provide thorough inspections and remediation for mold and moisture issues. Their expertise will ensure that any hidden sources of humidity are addressed properly, preventing future occurrences of similar problems.

Remember, maintaining optimal indoor air quality is crucial not only for comfort but also for your family's health. By taking proactive measures against high humidity and musty smells, you can create a more pleasant living environment in Dubai’s often humid conditions.
Posted by Sani Admin
Answered on December 9, 2025 12:10 pm