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Annual Statewide Toxics Summary
ARB's ADAM Air Quality Database
Potassium 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
65 340 * 830 2300 375 86 5
2002
13 520 724 1600 3300 612 491 5
2001
22 450 600 1300 9800 642 505 3
2000
35 470 615 1400 4800 563 472 3
1999
30 440 655 1300 16000 924 565 3
1998
11 420 572 1200 7900 632 561 3
1997
39 430 560 1100 3700 502 557 3
1996
33 410 533 1100 2900 457 595 3
1995
57 420 575 1200 3500 540 602 3
1994
70 450 549 1000 3700 431 585 3
1993
58 450 576 1100 3200 508 575 3
1992
13 460 598 1100 6300 620 554 3
1991
1.5 460 653 1300 5800 596 567 3
1990
55 700 * 1800 5700 689 309 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.