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

After the heavy rains we had last month, I noticed a musty smell lingering in my bedroom closet. The humidity levels seem unusually high even though I use an air purifier and regularly open windows to let some fresh air in. Is there anything else I can do to prevent this issue from recurring and keep the air fresher?
Posted by Hong Jung
Asked on January 31, 2026 11:36 am
Yes, high humidity can indeed cause a musty smell. The moisture that comes from humid conditions creates an ideal environment for the growth of mold and mildew, both known to emit characteristic musty odors. In places like Dubai where we experience fluctuating weather patterns including heavy rains as you mentioned recently, maintaining indoor air quality becomes even more critical.

In your case, despite using an air purifier and opening windows regularly, the persistent musty smell suggests that the humidity levels might be too high for effective control through these measures alone. The UAE has specific building codes regarding indoor moisture management to prevent such issues, particularly in residential areas where you might find yourself dealing with humidity-related problems.

It's essential to understand the relative humidity (RH) level in your environment as a starting point. In Dubai, during summer months especially, RH can soar well above comfortable levels, which could be contributing to the mustiness. Utilizing hygrometers or even smartphone apps designed for this purpose can provide you with precise measurements.

One practical step would be to invest in a dehumidifier appropriate for your space size. For instance, if your bedroom closet is not very large, a small portable dehumidifier could suffice. Ensure it has an automatic shut-off feature and can efficiently pull moisture from the air while maintaining low noise levels for comfort during sleep.

Another recommendation involves improving ventilation. While opening windows as you do helps, installing exhaust fans in areas prone to humidity like bathrooms and kitchens can enhance airflow and reduce dampness. Additionally, using dehumidifying silica gel packets or activated carbon filters within your closet can help absorb excess moisture.

If these measures don't resolve the issue, it may be wise to consult a professional environmental inspection company for further analysis. They can provide a detailed assessment of your specific situation and recommend comprehensive solutions that align with UAE building codes.

Remember, addressing high humidity is not just about eliminating odors but also ensuring the health and longevity of your home's structural integrity. Don't hesitate to contact us at 800-MOLDS or email hello@saniservice.com for expert assistance tailored to Dubai's climatic conditions.
Posted by Sani Admin
Answered on February 1, 2026 12:01 pm