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Antimony
nanograms per cubic meter
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
2022
0.65 0.65 * 2 4 0.9 14 1.3
2021
0.65 0.65 * 2 2 0.5 23 1.3
2020
0.65 * * * 4 1.4 7 1.3
2019
0.65 2 1.6 3 3 0.9 30 1.3
2018
0.65 2 1.9 3 4 1.2 31 1.3
2017
0.65 2 1.7 3 4 1.0 29 1.3
2016
0.65 2 1.7 3 5 1.4 31 1.3
2015
0.65 0.65 1.5 3 4 0.9 28 1.3
2014
0.85 0.85 2.1 5 6 1.6 30 1.7
2013
2 0.75 * 5 7 1.8 28 1.5
2012
1.5 1.5 1.7 1.5 6 0.9 28 3
2011
1.5 1.5 1.6 1.5 3 0.3 30 3
2010
1.5 1.5 * 1.5 3 0.4 17 3
2009
1.5 1.5 1.6 1.5 4 0.5 31 3
2008
* * * * * * 0 *
2007
1.5 1.5 * 1.5 4 0.7 13 3
2006
* * * * * * 0 *
2005
* * * * * * 0 *
2004
* * * * * * 0 *
2003
3 * * * 7 1.8 5 6
2002
2.5 2.5 2.9 2.5 7 0.8 30 5
2001
2.5 2.5 2.8 2.5 8 1.2 31 5
2000
2.5 2.5 2.8 2.5 7 1.1 28 5
1999
2.5 2.5 2.9 2.5 9 1.4 29 5
1998
2.5 2.5 3.2 2.5 18 3.0 29 5
1997
2.5 2.5 2.5 2.5 2.5 0.0 29 5
1996
2.5 2.5 2.6 2.5 5 0.4 31 5
1995
2.5 2.5 2.5 2.5 2.5 0.0 30 5
1994
2.5 2.5 2.6 2.5 5 0.5 30 5
1993
2.5 2.5 * 2.5 2.5 0.0 24 5
1992
* * * * * * 0 *
1991
* * * * * * 0 *
1990
* * * * * * 0 *
1989
* * * * * * 0 *
Graph It!
Notes Values below the Limit of Detection (LoD) assumed to be ½ LoD.
Means and risks shown only for years with data in all 12 months.
"*" means there was insufficient or no data available to determine the value.