Clean_Air 00Z wind_direction 1986 - 44.5 62.2 39.8 78.1 73.2 64.5 44.3 - - 40.5 50.0 1987 41.9 53.4 55.8 74.8 66.5 67.8 - - - - 75.5 77.7 1988 24.6 75.9 59.7 68.5 82.7 73.9 67.4 37.9 50.6 73.2 64.8 65.3 1989 47.5 71.5 71.9 93.6 68.0 73.2 61.5 38.7 49.7 77.3 47.6 38.7 1990 43.5 67.3 75.6 75.8 - 49.4 62.6 66.2 - - - 26.1 1991 51.4 44.6 59.0 88.4 86.2 85.8 71.6 79.6 50.7 66.6 53.7 59.7 1992 45.9 73.1 98.0 41.4 77.6 54.2 83.1 73.3 40.3 55.8 62.6 43.5 1993 46.2 58.9 58.4 74.0 68.2 78.7 61.8 69.0 63.2 - - - 1994 - 66.2 39.6 78.6 43.2 54.5 85.7 39.9 55.3 48.6 28.0 68.3 1995 61.4 44.2 60.1 52.9 68.3 61.8 61.6 73.1 87.1 32.7 26.3 41.4 1996 58.9 42.6 69.9 55.1 73.9 45.2 52.5 52.0 59.4 46.7 44.4 37.5 1997 59.2 76.8 75.4 37.0 44.7 68.7 62.1 33.2 55.4 79.5 38.3 57.1 1998 10.0 41.2 53.4 58.3 71.7 54.5 52.1 63.7 61.1 66.9 24.1 26.0 1999 33.1 48.9 54.6 51.3 40.1 71.2 82.1 55.6 77.2 40.9 46.6 37.2 2000 32.1 19.5 60.3 52.3 51.2 48.9 37.9 40.4 44.0 359.0 5.0 12.4 2001 26.5 31.9 33.1 46.1 40.9 37.1 47.5 44.2 28.5 36.4 14.9 15.6 2002 16.0 37.4 36.5 24.5 50.1 56.2 19.1 23.3 59.7 45.9 20.3 32.6 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - 87.4 - 78.8 132.9 153.8 105.1 146.2 - 143.4 145.1 332.7 2006 332.8 - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -