Clean_Air 06Z wind_speed 1986 - 8.8 7.9 8.1 8.1 6.5 8.4 10.8 - - 7.8 7.0 1987 6.2 6.2 9.3 7.2 7.6 8.2 - - - - 5.8 4.8 1988 6.8 6.8 9.2 7.3 6.8 8.7 7.2 7.0 8.2 7.3 5.5 5.5 1989 4.4 5.9 8.4 8.5 8.6 8.4 9.6 10.7 9.7 6.8 8.0 9.0 1990 6.0 7.1 7.0 7.0 7.5 12.2 9.5 9.3 - - - 8.5 1991 5.8 7.5 8.3 7.1 7.3 7.9 11.1 8.3 7.9 8.1 8.0 5.6 1992 4.6 7.1 7.4 7.6 6.7 10.8 6.2 8.2 10.3 6.9 8.1 3.9 1993 6.3 6.6 8.6 6.7 8.1 6.9 5.2 6.6 7.2 - - - 1994 - 5.8 8.7 6.7 8.9 9.8 7.2 8.7 9.8 8.0 6.9 5.3 1995 4.0 6.9 7.7 8.5 9.4 6.9 9.9 7.3 5.4 9.2 8.2 5.5 1996 4.9 6.7 7.0 6.6 7.0 8.6 10.3 9.3 7.3 8.8 8.3 8.3 1997 6.2 6.4 6.8 9.0 9.1 7.0 6.4 9.3 7.5 5.0 9.9 5.9 1998 5.8 6.3 7.1 6.4 8.5 7.2 8.8 6.3 6.4 6.4 9.3 5.1 1999 6.5 5.9 5.6 7.8 9.2 7.2 6.6 9.1 6.0 7.4 5.5 5.3 2000 6.1 5.2 6.5 7.3 7.9 8.4 9.5 8.4 8.3 8.6 11.3 6.3 2001 5.5 5.8 9.3 7.9 8.5 8.9 7.7 8.7 9.3 8.5 8.4 8.8 2002 8.7 8.7 8.9 9.3 8.5 7.9 11.6 10.4 5.8 8.5 6.6 4.8 2003 6.7 5.9 7.8 8.3 9.2 8.4 9.5 11.1 9.3 10.3 6.6 8.7 2004 6.9 8.6 8.6 9.7 10.1 8.3 - 12.1 - - 8.0 8.2 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - - 2010 - - - - - - - - - - - - 2011 - - - - - - - - - - - - 2012 - - - - - - - - - - - - 2013 - - - - - - - - - - - - 2014 - - - - - - - - - - - - 2015 - - - - - - - - - - - - 2016 - - - - - - - - - - - - 2017 - - - - - - - - - - - - 2018 - - - - - - - - - - - - 2019 - - - - - - - - - - - - 2020 - - - - - - - - - - - - 2021 - - - - - - - - - - - - 2022 - - - - - - - - - - - - 2023 - - - - - - - - - - - - 2024 - - - - - - - - - - - -