大気汚染予測

Air Quality Data provided by LANUV - State Agency for Nature, Environment and Consumer Protection of North Rhine Westphalia (Landesamt für Natur, Umwelt und Verbraucherschutz NRW) (lanuv.nrw.de)
Note that the measurement for and SO2 (二酸化硫黄) are taken from the station Köln Turiner Straße