Especially in summer, a humid basement affects the air quality and comfort of your home. This is the ideal level of humidity you should have in the basement.

How much humidity is too much humidity? Humidity levels above 60% in your basement can spell trouble. Excess moisture creates the perfect breeding ground for mold spores, mildew growth, and even ...

MISSION, Kan., Aug. 11, 2025 /PRNewswire/ -- (Family Features) If your basement feels muggy, the air is damp or it's a bit on the stinky side, you may have a humidity issue. Addressing and ...

MISSION, Kan., Aug. 11, 2025 /PRNewswire/ -- (Family Features) If your basement feels muggy, the air is damp or it's a bit on the stinky side, you may have a humidity issue. Addressing and ...

I recently tested some of the most popular dehumidifiers on the market. To do this, I set each dehumidifier in my basement, which experiences humidity levels ranging from 55 to 70 percent in the ...

Upper levels can cause slow damage to building materials like wood rot and foundation issues. Ideal basement humidity levels are between 30% and 50%.

Key Takeaways Aim to keep basement humidity between 40% and 50% in summer to prevent mold, musty smells, and allergens.Use a hygrometer to monitor humidity, fix drainage or flooding issues, and ...