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Annual Statewide Toxics Summary
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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
480
2400
*
5600
17000
2980
86
2
2002
92
4200
5240
11000
23000
3900
491
2
2001
130
3500
4550
9800
19000
3620
505
3
2000
94
3800
4650
10000
23000
3770
472
3
1999
130
3300
4630
9900
27000
4080
565
3
1998
42
2600
3680
8300
28000
3670
559
3
1997
85
3200
4110
8100
27000
3760
553
3
1996
74
2800
3770
8400
21000
3390
595
3
1995
53
3400
4390
9900
24000
4130
602
3
1994
90
3300
4060
8600
17000
3130
585
3
1993
91
3500
4350
9200
24000
3850
575
3
1992
44
3500
4540
9700
40000
3940
554
3
1991
100
4000
5520
12000
62000
5150
567
3
1990
400
5900
*
15000
28000
5180
309
3
1989
*
*
*
*
*
*
0
*
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.
