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

After the rain last month, I noticed a musty smell lingering in my bedroom closet, even after it had dried out. The humidity seems to be at an all-time high during the evening, making everything feel sticky and uncomfortable. Is there anything specific I can do to keep the humidity down and prevent this from happening again?
Posted by Dana Farah
Asked on February 28, 2026 2:26 pm
High humidity can indeed cause a musty smell, particularly in areas like bedrooms where air circulation might be limited. This phenomenon is often due to the presence of mold and mildew which thrive in damp conditions. In the UAE, especially during the monsoon season or after a heavy rain event, humidity levels can rise significantly, leading to such issues.

In Dubai and other parts of the UAE, it's not uncommon for relative humidity to peak at around 80% to 90%, particularly in the evenings when temperatures drop. This high level of moisture in the air provides an ideal environment for microorganisms like mold and mildew to grow, which can produce that characteristic musty odor.

To address this issue, it's crucial to maintain a balance between indoor and outdoor humidity levels through regular monitoring and effective control measures. You might consider investing in a quality hygrometer to keep track of your home’s relative humidity. A reading above 60% is generally considered uncomfortable and may promote mold growth.

Here are some practical steps you can take:

1. Enhance Ventilation: Open windows and use exhaust fans, particularly during the cooler evening hours when the outdoor air might be drier than the indoor environment.

2. Use Dehumidifiers: A dehumidifier is a powerful tool for reducing indoor humidity levels. Aim to keep your home's relative humidity between 30% and 50%, depending on external conditions.

3. Proper Drying Practices: Ensure that clothes, towels, and other items are dried thoroughly before being stored or hung in the closet. Over-crowded closets can exacerbate moisture issues as air circulation is reduced.

4. Regular Cleaning and Maintenance: Regularly clean areas prone to moisture accumulation such as bathrooms, kitchens, and basements with mold inhibitors and fungicides suitable for UAE climates.

5. Professional Inspection and Remediation: If the musty smell persists despite your efforts, it might be necessary to seek professional help. Companies like Saniservice offer comprehensive inspections and remediation services tailored to Dubai’s climate conditions. They can identify hidden sources of moisture and address them effectively.

Remember, addressing high humidity is not just about eliminating a musty smell; it's also crucial for maintaining the structural integrity and health of your home. Always prioritize safety and comfort in managing environmental factors within your living spaces.
Posted by Sani Admin
Answered on March 3, 2026 5:05 am