Is high humidity causing mold growth?« Back to Previous Page

After the heavy rain last month, I noticed a persistent musty smell in my bedroom, even with the windows open. The AC in my apartment seems to struggle to keep up, and now my kids have been coughing a lot lately. Could this be due to the high humidity? What can we do to prevent it from getting worse?
Posted by Leila Jaber
Asked on February 11, 2026 6:27 am
High humidity can indeed be the culprit behind your symptoms and concerns. In the UAE, particularly Dubai, high humidity levels are more common during certain seasons, often coinciding with the monsoon-like conditions brought by heavy rains as you mentioned. The musty smell in your bedroom suggests a possible mold infestation, which is exacerbated by indoor conditions that favor moisture retention.

The persistent presence of moisture, especially when coupled with inadequate ventilation and air conditioning (AC) systems struggling to maintain optimal humidity levels, can create ideal conditions for mold growth. In the UAE context, maintaining indoor relative humidity below 60% is generally advised, but in your case, it seems this threshold might be exceeded due to heavy rainfall.

To address this issue, you should take immediate action:

1. Professional Inspection: Given the potential severity of mold infestation, consider scheduling a professional inspection with a certified environmental remediation company like Saniservice (contact 800-MOLDS or email hello@saniservice.com). They can provide a thorough assessment and recommend necessary corrective measures.

2. Ventilation and Dehumidification: Enhance indoor air circulation by ensuring all windows are properly sealed but allowing for periodic ventilation. Use dehumidifiers in high-risk areas, particularly the bedroom where you're experiencing symptoms. The recommended capacity of a dehumidifier depends on your room size; typically, 3-5 liters per day is sufficient for an average-sized room.

3. Air Conditioning Maintenance: Ensure that your AC units are serviced regularly to prevent moisture accumulation and filter clogs. Efficient cooling can help control indoor humidity levels effectively.

4. Mold Remediation Products: For minor infestations, you may use over-the-counter mold remediation products. However, for more severe cases, professional treatment is essential to avoid health risks associated with airborne spores.

5. Regular Monitoring: Use hygrometers to monitor indoor humidity levels regularly. This will help you keep track of changes and ensure that your efforts are effective in reducing moisture content.

6. Sealing Leaks and Water Sources: Inspect your property for any leaks or sources of water intrusion, such as damaged roof tiles or pipes. Promptly repairing these issues can prevent future mold growth.

By implementing these steps, you can mitigate the risk of further mold development and improve indoor air quality, thereby alleviating symptoms in yourself and your children.
Posted by Sani Admin
Answered on February 12, 2026 9:32 am