Clean_Air 06Z wind_direction 1986 - 43.1 58.7 40.5 84.3 84.7 66.1 46.6 - - 33.5 49.0 1987 38.5 52.1 50.1 65.3 73.0 68.2 - - - - 73.6 60.6 1988 20.0 71.1 50.9 73.6 80.8 73.0 69.5 56.2 46.2 66.6 72.1 69.7 1989 50.8 59.0 74.6 96.2 67.2 71.1 62.2 41.1 59.4 71.3 47.1 43.7 1990 44.3 61.6 80.1 83.1 87.1 48.0 70.8 58.7 - - - 25.3 1991 45.7 50.7 67.0 82.3 79.8 83.5 64.8 75.1 43.1 66.8 39.5 57.0 1992 58.7 69.5 101.2 46.2 70.6 53.4 82.3 70.8 41.8 36.0 59.0 57.0 1993 39.3 46.6 59.6 67.4 65.2 74.4 39.7 73.1 65.0 - - - 1994 - 62.3 40.1 73.1 36.5 51.9 83.0 42.9 61.9 48.1 27.0 63.6 1995 56.8 42.5 61.9 54.1 68.3 62.2 57.0 69.6 85.4 36.6 31.4 35.3 1996 53.2 44.9 67.9 47.5 66.2 43.9 56.4 54.9 63.2 45.8 49.1 36.0 1997 48.9 71.4 71.4 40.6 41.2 59.2 63.6 36.6 54.7 70.3 33.9 65.5 1998 3.9 52.4 51.2 58.4 67.0 65.0 54.4 74.1 57.1 62.6 25.2 30.1 1999 27.5 48.3 56.0 56.5 34.3 70.7 79.1 55.7 78.2 43.7 40.6 32.4 2000 27.4 27.5 64.5 54.2 52.1 45.1 34.3 29.5 44.4 4.2 7.2 23.3 2001 24.0 35.7 31.2 47.5 35.7 42.5 52.3 47.3 29.2 30.8 21.5 11.1 2002 11.0 30.6 33.8 20.7 48.9 61.1 16.1 27.7 61.3 37.3 18.0 38.8 2003 31.2 63.0 68.2 52.1 45.1 75.1 65.3 27.6 58.3 33.7 50.3 29.8 2004 35.1 39.9 55.0 37.9 29.9 68.7 - 41.7 - - 28.1 25.7 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -