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Annual Toxics Summary
ARB's ADAM Air Quality Database
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Potassium
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
210 * * * 360 54.2 6 5
2002
59 270 299 510 760 169 30 5
2001
87 230 289 580 620 171 31 3
2000
81 290 * 490 630 155 19 3
1999
52 200 * 400 560 120 20 3
1998
120 250 251 370 450 87.0 26 3
1997
120 280 289 450 590 123 28 3
1996
110 230 291 450 510 131 26 3
1995
79 230 260 430 530 131 30 3
1994
99 230 299 460 1000 180 30 3
1993
79 270 289 430 690 143 27 3
1992
120 240 * 370 400 87.9 16 3
1991
77 240 * 420 860 184 25 3
1990
74 250 * 550 560 173 14 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.