California Home	ARB:	Home	Search	Site Map				Contact Us

	Annual Toxics Summary Los Angeles-North Main Street FAQs Bromine nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2025		*	*	*	*	*	*	0	*
2024		*	*	*	*	*	*	0	*
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		5	*	*	*	9	1.7	5	1
2002		3	8	9.2	13	19	3.5	29	1
2001		1	7	*	9	12	2.7	22	2
2000		1	6	6.6	12	16	3.9	31	2
1999		1	8	7.9	14	21	4.5	30	2
1998		1	9	*	13	14	3.5	26	2
1997		3	7	*	14	16	4.3	17	2
1996		1	11	9.6	16	24	5.4	29	2
1995		1	9	9.7	17	24	5.5	28	2
1994		1	12	12.3	18	24	5.3	28	2
1993		4	11	*	18	19	4.6	23	2
1992		1	12	*	19	19	4.7	21	2
1991		2	11	12.0	17	28	5.4	28	2
1990		4	11	*	16	19	4.3	17	2
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.