Should I lüft? 🪟

Live advice on when to open your windows to cut indoor humidity and prevent mould.

PLZ (postal code) Five-digit German postal code Indoor temp (°C) Indoor humidity (%) Comfort temp (°C)

📍 Enter your postal code above to see if it's a good time to air out your home.

Made for healthier indoor air. Forecast via Open-Meteo; live conditions via BrightSky (DWD).