Could high humidity cause mold and health issues?« Back to Previous Page

After the heavy rain last month, I noticed a persistent musty smell in my master bedroom. The humidity levels seem unusually high even with the dehumidifier running constantly. My kids have also been complaining of coughing fits which I think might be related to the dampness. Could this high humidity be causing issues like mold growth or respiratory problems?
Posted by Marie Esposito
Asked on January 10, 2026 6:16 am
Absolutely, high humidity can indeed lead to mold growth and health issues. In the UAE, particularly in Dubai, the climate can be quite challenging, especially during the wetter months following heavy rains like you've experienced recently. Persistent high humidity levels of 70% or more are ideal conditions for mold proliferation.

In your situation with a musty smell and coughing fits from your kids, it's highly probable that mold has indeed begun to grow in areas where moisture is accumulating. In the UAE, there aren't specific regulations mandating indoor humidity levels, but ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) guidelines suggest maintaining relative humidity between 30% to 50%. Your constant dehumidifier running doesn't seem to be sufficient in this case.

Mold spores can cause allergic reactions, respiratory issues, and asthma attacks. The musty smell you're detecting is often a sign of mold growth, especially if it's present in your master bedroom where humidity tends to accumulate due to larger space and less ventilation. For children, their developing immune systems make them more susceptible to these health impacts.

Given the severity of potential health risks, I strongly recommend having an independent professional inspection by calling 800-MOLDS or emailing hello@saniservice.com. They can conduct a thorough assessment and provide remediation services if necessary. Professional inspections are essential as they ensure that all areas are thoroughly checked for mold, not just the most obvious spots.

In addition to professional help, here are some practical steps you could take:
1. Increase ventilation in your master bedroom using fans or open windows when weather permits.
2. Use a hygrometer to monitor humidity levels and adjust dehumidifier settings accordingly.
3. Address any water leaks immediately as they can contribute significantly to high humidity and mold growth.
4. Clean surfaces with bleach solution (1 cup of bleach per gallon of water) on a regular basis, especially in damp areas.

Remember, tackling high humidity and potential mold issues early can prevent more serious health problems down the line. Keep an eye out for any signs of moisture damage or increased respiratory symptoms among family members.
Posted by Sani Admin
Answered on January 12, 2026 1:07 pm