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Annual Toxics Summary
ARB's ADAM Air Quality Database
Santa Barbara-W Carillo Street FAQs
Silicon
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
* * * * * * 0 *
2002
* * * * * * 0 *
2001
* * * * * * 0 *
2000
900 * * * 3000 926 5 3
1999
610 2400 2640 4200 5700 1230 28 3
1998
900 2000 * 3700 7800 1470 25 3
1997
810 2100 3010 4800 8300 1750 27 3
1996
130 2200 2230 3500 6200 1240 27 3
1995
640 3000 3270 4300 19000 3190 30 3
1994
670 2400 2520 3900 5300 1120 27 3
1993
150 3000 * 4700 5400 1500 27 3
1992
340 2600 2860 4600 7300 1560 30 3
1991
310 2400 3080 4700 12000 2210 29 3
1990
2400 5800 * 9100 12000 2830 16 3
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.