Sites with zinc 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
Riverside-Rubidoux FAQs
Zinc
nanograms per cubic meter
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
2023
4.99 44 * 69 99 20.5 17 9.98
2022
4.99 48 * 95 156 31.7 27 9.98
2021
22 55 * 89 187 38.6 21 9.98
2020
30 * * * 133 40.8 6 9.98
2019
4.99 44 50.5 93 190 36.0 29 9.98
2018
17 43 * 83 145 28.0 24 9.98
2017
11 49 54.6 89 169 31.9 29 10
2016
26 65 66.7 110 149 31.9 28 10
2015
14 48 * 77 171 32.1 28 10
2014
21 66 60.5 93 120 28.8 29 8.4
2013
20 53 * 92 100 25.2 24 5.2
2012
24 48 * 72 89 18.5 20 9
2011
11 45 * 74 91 21.9 22 9
2010
23 48 * 81 94 21.4 15 9
2009
4.5 56 * 85 110 22.6 28 9
2008
* * * * * * 0 *
2007
17 49 * 100 140 35.4 15 3
2006
* * * * * * 0 *
2005
* * * * * * 0 *
2004
* * * * * * 0 *
2003
28 * * * 200 80.7 5 1
2002
12 84 82.3 140 250 50.2 31 1
2001
8 64 82.7 150 280 61.1 30 2
2000
15 61 70.6 120 260 50.5 29 2
1999
4 55 70.5 160 310 69.9 28 2
1998
25 61 * 98 150 32.0 12 2
1997
24 * * * 24 54.9 1 2
1996
20 58 70.2 130 250 54.9 27 2
1995
9 67 95.3 150 360 87.6 30 2
1994
9 68 83.7 110 390 70.2 30 2
1993
9 64 64.2 110 150 38.8 28 2
1992
9 68 62.6 98 160 36.0 30 2
1991
3 53 60.6 92 200 40.0 30 2
1990
10 53 * 86 89 22.9 15 2
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.