Data Sources for checkwetter

Our application is proud to use high-quality, free, and open data sources to provide you with accurate weather forecasts.

1. Weather & Air Quality Data

All our weather, forecast, and air quality data is provided by the Open-Meteo API. Open-Meteo is a non-commercial project that provides free weather data under the Creative Commons Attribution 4.0 International license (CC BY 4.0).

2. Location & Mapping

Geocoding and location data are handled based on a curated list of German cities with their respective coordinates. We do not use external mapping services that track your location.