空气质量预报
空气质量数据提供者: the Hessian State Office for Nature Conservation, Environment and Geology - (Hessisches Landesamt für Naturschutz, Umwelt und Geologie) (hlnug.de)
Note that the measurement for O3 (ozone) are taken from the station: Marburg and the measurement for CO (carbon monoxide) are taken from the station: Gießen-Westanlage