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Annual Toxics Summary
ARB's ADAM Air Quality Database
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Barium
nanograms per cubic meter
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
2023
* * * * * * 0 *
2022
* * * * * * 0 *
2021
* * * * * * 0 *
2020
* * * * * * 0 *
2019
* * * * * * 0 *
2018
* * * * * * 0 *
2017
* * * * * * 0 *
2016
* * * * * * 0 *
2015
* * * * * * 0 *
2014
* * * * * * 0 *
2013
* * * * * * 0 *
2012
* * * * * * 0 *
2011
* * * * * * 0 *
2010
* * * * * * 0 *
2009
* * * * * * 0 *
2008
* * * * * * 0 *
2007
* * * * * * 0 *
2006
* * * * * * 0 *
2005
* * * * * * 0 *
2004
* * * * * * 0 *
2003
28 * * * 53 9.7 5 19
2002
9.5 51 60.0 85 160 32.2 36 19
2001
12.5 47 50.6 92 130 28.5 39 25
2000
12.5 51 58.3 110 170 35.8 40 25
1999
12.5 48 47.9 89 150 30.8 39 25
1998
12.5 45 49.4 80 200 34.1 42 25
1997
12.5 48 51.9 81 110 24.3 34 25
1996
12.5 39 39.4 79 110 25.2 36 25
1995
12.5 46 50.8 100 120 35.0 30 25
1994
12.5 39 * 80 97 24.5 25 25
1993
* * * * * * 0 *
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.