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Annual Statewide Toxics Summary		 ARB's ADAM Air Quality Database
Methyl Bromide FAQs
parts per billion
Year Months
Present		 Minimum Median Mean 90th
Percentile		 Maximum Standard
Deviation		 Number of
Observations		 Detection
Limit
2024
0.015 0.015 * 0.015 0.04 0.004 163 0.03
2023
0.015 0.015 0.016 0.015 0.10 0.006 324 0.03
2022
0.015 0.015 0.015 0.015 0.07 0.003 370 0.03
2021
0.015 0.015 * 0.015 0.06 0.003 314 0.03
2020
0.015 0.015 * 0.015 0.20 0.018 106 0.03
2019
0.015 0.015 0.015 0.015 0.07 0.003 400 0.03
2018
0.015 0.015 0.016 0.015 0.08 0.005 392 0.03
2017
0.015 0.015 0.015 0.015 0.07 0.004 391 0.03
2016
0.015 0.015 0.020 0.015 0.46 0.025 416 0.03
2015
0.015 0.015 0.019 0.03 0.17 0.014 412 0.03
2014
0.015 0.015 0.021 0.04 0.23 0.018 378 0.03
2013
0.015 0.015 0.018 0.015 0.21 0.014 469 0.03
2012
0.015 0.015 0.021 0.04 0.18 0.015 467 0.03
2011
0.015 0.015 0.022 0.03 0.54 0.037 487 0.03
2010
0.015 0.015 0.021 0.03 0.30 0.023 473 0.03
2009
0.015 0.015 0.024 0.04 0.41 0.035 522 0.03
2008
0.015 0.015 0.025 0.04 0.61 0.040 518 0.03
2007
0.015 0.015 0.033 0.05 1.6 0.095 495 0.03
2006
0.015 0.015 0.037 0.06 1.4 0.084 504 0.03
2005
0.015 0.015 0.036 0.07 0.69 0.072 510 0.03
2004
0.015 0.015 0.036 0.07 1.1 0.072 503 0.03
2003
0.015 0.015 0.040 0.08 0.90 0.090 503 0.03
2002
0.015 0.015 0.042 0.08 0.91 0.086 440 0.03
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.