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	Annual Toxics Summary San Jose-Jackson Street FAQs Titanium nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2025		1.345	19	*	33	34	10.6	16	2.69
2024		7	19	23.5	45	56	12.9	30	0.28
2023		1.345	22	*	38	58	13.2	26	2.69
2022		1.345	22	24.0	43	56	13.5	33	2.69
2021		4	25	*	43	56	14.4	25	2.69
2020		7	*	*	*	94	32.9	9	2.69
2019		1.345	21	28.9	59	119	28.6	29	2.69
2018		3	26	30.3	63	93	22.1	29	2.69
2017		6	31	36.4	78	141	28.3	30	2.69
2016		3	28	29.0	43	66	13.8	31	2.69
2015		7	29	32.2	56	68	15.1	30	2.69
2014		5	22	25.2	37	72	14.4	29	1.9
2013		5	19	*	43	64	14.9	29	1.5
2012		4.5	4.5	8.9	19	24	6.6	29	9
2011		4.5	4.5	*	18	21	5.9	25	9
2010		4.5	4.5	9.2	21	25	6.3	30	9
2009		4.5	4.5	7.6	16	21	5.0	29	9
2008		8	40	51.1	79	150	33.4	27	1
2007		4.5	12	13.1	25	48	9.6	29	9
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		25	*	*	*	110	30.5	5	3
2002		28	*	*	*	110	31.1	6	3
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	*

	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.