Could mildew affect indoor air quality?« Back to Previous Page

After the heavy rain last month, I noticed a musty smell coming from the bottom of my closet. Upon inspecting further, I found that there was mildew growing on the back wall where water seems to have seeped in during the storm. This area isn't usually damp, so it's quite concerning. Could this be causing issues with indoor air quality and what can we do to prevent further growth?
Posted by Malgorzata Thomas
Asked on March 21, 2026 3:11 pm
Could mildew affect indoor air quality?

Yes, indeed. Mildew can significantly impact the indoor air quality (IAQ) of a building, particularly in humid regions like Dubai/UAE. In your situation where you noticed water seeping into the back wall of your closet and subsequent growth of mildew, it is prudent to consider the potential adverse effects on IAQ.

Mildew, a type of mold, produces spores that can become airborne when disturbed. These spores are known allergens which can cause allergic reactions such as sneezing, runny nose, red eyes, skin rash, and asthma symptoms in sensitive individuals. In Dubai's climatic conditions where humidity levels can be quite high, the risk of indoor moisture leading to mold growth is also elevated.

In terms of regulations, it's worth noting that while there might not be specific UAE laws targeting mildew directly, the Health & Safety Law 21 of 1980 and other related environmental standards do address issues surrounding IAQ. These legal frameworks require buildings to maintain an acceptable level of air quality which would mitigate health risks posed by mold.

For your concern regarding the musty smell and visible mildew growth, it is highly recommended that you engage a professional for inspection and remediation. Such services can help identify the source of moisture and provide thorough cleaning and decontamination procedures tailored to UAE conditions. Saniservice (call 800-MOLDS or email hello@saniservice.com) offers comprehensive mold inspection and remediation services in Dubai, adhering strictly to local building codes and environmental practices.

To prevent further growth, ensure that the area is properly ventilated and dried out promptly after any water intrusion. Use dehumidifiers where necessary to control humidity levels below 50%. Regular inspections are also crucial to catch potential issues early before they escalate into larger problems affecting IAQ and occupant health.

Remember, maintaining good indoor air quality is essential for a healthy living environment. Act now to address the current situation and prevent future occurrences.
Posted by Sani Admin
Answered on March 22, 2026 9:23 pm