Could heavy rains cause mold growth?« Back to Previous Page

After the heavy rains last month, I noticed a musty smell coming from the corner of our bedroom closet. It's not there all the time but seems to get stronger when we open the windows or turn on the fan. My partner has been complaining of headaches and says it feels stuffy in there too. Is this something that could be a mold issue, or is it just a temporary smell?
Posted by Neha Pillai
Asked on February 1, 2026 6:35 pm
Could heavy rains cause mold growth?

Heavy rains can indeed initiate conditions that lead to mold growth. In the UAE, particularly in Dubai, the climate is semi-arid but during periods of heavy rainfall, especially after prolonged dry spells, moisture levels can rise significantly indoors and outdoors. This increase in humidity and dampness provides the perfect environment for mold spores to germinate and proliferate.

In your situation, noticing a musty smell coming from the corner of your bedroom closet could indeed be indicative of mold growth. Mold thrives in dark, moist environments – exactly where a closet might provide such conditions. The occurrence of headaches by your partner when the area is opened suggests that there may be some form of irritant present.

The UAE Building Code and Environmental Health Regulations (EHB) do not specifically address mold but emphasize the importance of maintaining indoor air quality. Given your symptoms and observations, it would be prudent to consider professional inspection services. Saniservice, for instance, offers comprehensive mold testing and remediation solutions that are highly suitable for the local climate.

To take immediate action, you should:

1. Limit access to the affected area to prevent further spore dispersal.
2. Ensure proper ventilation by opening windows when possible but use dehumidifiers or air conditioners if indoor humidity levels are high.
3. Clean up any visible mold using a solution of water and detergent, then thoroughly dry the area.

However, for thorough evaluation and treatment, contacting Saniservice at 800-MOLDS (800-66537) or email hello@saniservice.com would be highly recommended. Their experts can conduct detailed assessments to determine the extent of mold growth, identify any potential sources of moisture, and provide tailored remediation plans.

Remember that prolonged exposure to mold can lead to respiratory issues, allergies, and other health problems, especially for individuals with pre-existing conditions. Therefore, addressing this issue promptly is advised to maintain both your comfort and safety in the home environment.
Posted by Sani Admin
Answered on February 4, 2026 6:20 pm