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空气质量数据提供者: the State Institute for Environment, Measurements and Nature Conservation Baden-Wurttemberg (Landesanstalt für Umwelt, Messungen und Naturschutz Baden-Württemberg) (lubw.baden-wuerttemberg.de)
Note that the measurements for PM2.5 (fine particulate matter), PM10 (respirable particulate matter), O3 (ozone) and NO2 (nitrogen dioxide) are taken from the station: Heilbronn