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Zinc
nanograms per cubic meter
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
2023
4.99 25 * 67 90 24.8 16 9.98
2022
13 31 38.0 72 100 22.2 33 9.98
2021
4.99 26 * 61 90 21.2 25 9.98
2020
13 * * * 120 43.2 9 9.98
2019
4.99 26 37.4 84 125 32.6 29 9.98
2018
4.99 31 * 110 353 72.7 23 9.98
2017
5 48 56.9 120 149 37.9 30 10
2016
5 36 39.5 60 100 19.5 31 10
2015
13 43 47.3 76 103 22.9 30 10
2014
4.2 35 35.4 54 110 25.0 29 8.4
2013
13 37 * 66 880 164 27 5.2
2012
16 31 * 67 100 21.9 22 9
2011
10 24 * 62 72 19.7 13 9
2010
10 28 * 55 70 17.2 18 9
2009
4.5 27 * 41 62 13.7 27 9
2008
* * * * * * 0 *
2007
19 39 * 59 140 26.0 19 3
2006
* * * * * * 0 *
2005
* * * * * * 0 *
2004
* * * * * * 0 *
2003
26 * * * 99 26.5 5 1
2002
20 * * * 68 20.0 6 1
2001
* * * * * * 0 *
2000
* * * * * * 0 *
1999
* * * * * * 0 *
1998
* * * * * * 0 *
1997
* * * * * * 0 *
1996
* * * * * * 0 *
1995
* * * * * * 0 *
1994
* * * * * * 0 *
1993
* * * * * * 0 *
1992
* * * * * * 0 *
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.