AirQuaPM.Pct_Duchesne AirQuaPM Line DEFAULT_2015 PM2.5 Levels Over the National Ambient Air Quality Standard: Percent of Days by Year, Duchesne County, Percent of Days Sampled Over NAAQS 2011-2019 None YearAll PercentSign 0 ** Data not available. Percent reflects the percent of days sampled in the county during the year, not total days of the year. Data are not available prior to 2011 because either there were no air monitors in the county or 8-hour averages were not collected. 104 x indicator Graph List Detail modified by: jauld@utah.gov 10/14/2020 EPA_AirExplorer U.S. Environmental Protection Agency, Air Quality System (AQS) None ONE data series only 2 x 09/24/2014 None None ONE data series only 0 x YearAll Consecutive Calendar Years 1980-2030 32 x 10/07/2020 YearAll 1980 1980 20 x YearAll 1981 1981 21 x YearAll 1982 1982 22 x YearAll 1983 1983 23 x YearAll 1984 1984 24 x YearAll 1985 1985 25 x YearAll 1986 1986 26 x YearAll 1987 1987 27 x YearAll 1988 1988 28 x YearAll 1989 1989 29 x YearAll 1990 1990 30 x YearAll 1991 1991 31 x YearAll 1992 1992 32 x YearAll 1993 1993 33 x YearAll 1994 1994 34 x YearAll 1995 1995 35 x YearAll 1996 1996 36 x YearAll 1997 1997 37 x YearAll 1998 1998 38 x YearAll 1999 1999 39 x YearAll 2000 2000 40 x YearAll 2001 2001 41 x YearAll 2002 2002 42 x YearAll 2003 2003 43 x YearAll 2004 2004 44 x YearAll 2005 2005 45 x YearAll 2006 2006 46 x YearAll 2007 2007 47 x YearAll 2008 2008 48 x YearAll 2009 2009 49 x YearAll 2010 2010 50 x YearAll 2011 2011 51 x YearAll 2012 2012 52 x YearAll 2013 2013 53 x YearAll 2014 2014 54 x YearAll 2015 2015 55 x YearAll 2016 2016 56 x YearAll 2017 2017 57 x YearAll 2018 2018 58 x YearAll 2019 2019 59 x YearAll 2020 2020 60 x YearAll 2021 2021 61 x YearAll 2022 2022 62 x PercentSign Percent Sign Single decimal, number already between 1-100 (not 0 and 1). ,##0.0'%' ,##0.0'%' 2 Line Line Scatter plot with line 7 x AirQuaPM.Pct_Duchesne None YearAll None 2011 0.00 x AirQuaPM.Pct_Duchesne None YearAll None 2012 1.18 x AirQuaPM.Pct_Duchesne None YearAll None 2013 ** x AirQuaPM.Pct_Duchesne None YearAll None 2014 0.28 x AirQuaPM.Pct_Duchesne None YearAll None 2015 0.29 x AirQuaPM.Pct_Duchesne None YearAll None 2016 0.00 x AirQuaPM.Pct_Duchesne None YearAll None 2017 0.28 x AirQuaPM.Pct_Duchesne None YearAll None 2018 0.83 x AirQuaPM.Pct_Duchesne None YearAll None 2019 0.00 x