Available Substances Order a Data CD Toxics Statistics Home Page Data Descriptions Page
California Home ARB: Home Search Site Map Contact Us
California Air Resources Board

Annual Statewide Toxics Summary
ARB's ADAM Air Quality Database
Barium FAQs
nanograms per cubic meter
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
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
9.5 37 * 73 140 26.5 86 19
2002
9.5 41 50.8 100 230 37.8 491 19
2001
12.5 36 44.9 93 890 50.9 505 25
2000
12.5 39 45.6 92 420 38.3 472 25
1999
12.5 31 43.3 87 1400 73.5 565 25
1998
12.5 28 34.8 72 520 34.0 561 25
1997
12.5 29 33.3 68 230 26.4 557 25
1996
12.5 26 31.4 64 210 24.2 595 25
1995
12.5 26 34.5 83 190 30.9 602 25
1994
12.5 27 32.9 65 280 28.2 585 25
1993
12.5 29 37.6 80 280 31.7 575 25
1992
12.5 12.5 31.7 69 510 39.6 554 25
1991
12.5 12.5 26.7 57 180 26.3 567 25
1990
12.5 12.5 * 62 540 40.9 309 25
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.