Sites with antimony data available Available Substances Toxics Statistics Home Page Data Descriptions Page
California Home ARB: Home Search Site Map Contact Us
California Air Resources Board

Annual Toxics Summary
ARB's ADAM Air Quality Database
Los Angeles-North Main Street FAQs
Antimony
nanograms per cubic meter
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
2022
0.65 3 * 11 18 5.1 12 1.3
2021
0.65 6 * 10 28 5.3 22 1.3
2020
3 * * * 12 3.0 7 1.3
2019
2 5 * 13 17 4.2 29 1.3
2018
3 6 8.6 17 18 5.1 28 1.3
2017
0.65 6 7.5 13 24 5.8 30 1.3
2016
2 6 6.5 14 21 4.7 31 1.3
2015
0.65 4 7.0 12 32 6.5 30 1.3
2014
0.85 5 6.7 13 19 5.0 29 1.7
2013
2 5 * 13 29 5.7 25 1.5
2012
1.5 4 * 10 13 3.5 20 3
2011
1.5 4 * 11 19 5.3 12 3
2010
1.5 4 * 9 11 3.2 18 3
2009
1.5 5 6.2 11 15 4.0 30 3
2008
* * * * * * 0 *
2007
1.5 5 * 6 22 5.1 13 3
2006
* * * * * * 0 *
2005
* * * * * * 0 *
2004
* * * * * * 0 *
2003
3 * * * 8 2.2 5 6
2002
2.5 6 6.4 11 13 3.5 29 5
2001
2.5 2.5 * 9 12 3.2 22 5
2000
2.5 2.5 3.8 7 12 2.6 31 5
1999
2.5 2.5 5.8 11 36 6.6 30 5
1998
2.5 2.5 * 8 9 2.3 26 5
1997
2.5 2.5 * 9 13 3.3 17 5
1996
2.5 2.5 3.5 7 9 2.2 29 5
1995
2.5 2.5 4.0 7 11 2.4 28 5
1994
2.5 2.5 5.1 9 13 3.3 28 5
1993
2.5 5 * 9 14 3.2 23 5
1992
2.5 * * * 11 3.6 7 5
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.