worst time of year for mold 5

https://gatewaywatermoldedge.wordcanopy.com/posts/understanding-mold-seasons-in-st.-louis-insights-from-gateway-water-mold

Late summer through early fall is the absolute worst time of year for mold, especially after a stretch of humid, rainy days. The warm, damp air gets trapped in basements, bathrooms, and crawl spaces, creating a perfect breeding ground. You might notice a musty smell or see dark spots spreading on walls and ceilings before the weather even starts to cool down.