
Air Quality Data provided by the Hessian State Office for Nature Conservation, Environment and Geology - (Hessisches Landesamt für Naturschutz, Umwelt und Geologie) (hlnug.de)
Note that the measurement for and PM2.5 (PM2.5 (Phân tử bụi siêu nhỏ)) are taken from the station Bad Arolsen