Station Davos-Promenade (GR) : 1992 - 2018 Jahr NO2 JM NO2 95% PM10 JM PM10 TM O3 1h O3 98% CO TM µg/m³ µg/m³ µg/m³ µg/m³ µg/m³ µg/m³ mg/m³ 1992 31.6 81.8 -9999 -9999 -9999 -9999 -9999 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1994 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1995 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1996 27.2 64.3 -9999 -9999 -9999 -9999 -9999 1997 29.6 67.4 -9999 -9999 -9999 -9999 -9999 1998 25.4 69.2 -9999 -9999 -9999 -9999 1.9 1999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 2000 -9999 -9999 -9999 -9999 -9999 -9999 -9999 2001 20.6 59.4 -9999 -9999 122 113 -9999 2002 -9999 -9999 -9999 -9999 -9999 -9999 -9999 2003 -9999 -9999 -9999 -9999 -9999 -9999 -9999 2004 -9999 -9999 -9999 -9999 -9999 -9999 -9999 2005 -9999 -9999 -9999 -9999 -9999 -9999 -9999 2006 24.1 78.5 14.0 87 151 132 -9999 2007 22.0 68.7 11.3 72 128 116 -9999 2008 22.3 71.9 12.5 134 124 120 -9999 2009 21.9 69.7 11.3 46 121 112 -9999 2010 21.2 67.1 11.4 49 132 125 -9999 2011 22.7 70.8 12.0 78 138 122 -9999 2012 20.3 64.0 11.2 51 125 111 -9999 2013 21.9 72.8 10.7 73 131 114 -9999 2014 20.0 60.4 11.0 90 117 106 -9999 2015 21.8 68.4 10.8 55 132 121 -9999 2016 20.3 64.3 12.3 74 121 110 -9999 2017 19.9 66.6 11.6 99 115 108 -9999 2018 22.4 69.9 12.5 46 125 111 -9999 Legende: Jahr / année NO2 JM : NO2, Jahresmittel / moyennes annuelles NO2 95% : NO2, 95%-Werte der 1/2h-Mittel / valeurs 95% des moy. semi-horaires PM10 JM : PM10, Jahresmittel / moyennes annuelles PM10 TM : PM10, maximale Tagesmittel / moyennes journalières maximales O3 1h : O3, maximale Stundenmittel / moyennes horaires maximales O3 98% : O3, 98%-Werte der 1/2h-Mittel / valeurs 98% des moy. semi-horaires CO TM : CO, maximale Tagesmittel / moyennes journalières maximales -9999 : fehlender oder ungültiger Wert / donnée manquante ou non valable * : unvollständige Messreihe / série incomplète