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California Air Resources Board

Annual Statewide Toxics Summary
ARB's ADAM Air Quality Database
Sulfur
nanograms per cubic meter
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
2002
47 700 836 1600 3100 525 491 2
2001
55 650 827 1700 3400 599 505 2
2000
95 590 775 1600 3100 559 472 2
1999
39 670 782 1500 5600 557 565 2
1998
6 580 742 1600 3000 550 561 2
1997
55 580 735 1500 4200 546 557 2
1996
64 670 759 1500 3300 496 595 2
1995
50 700 792 1500 3300 525 602 2
1994
81 660 845 1700 4800 699 585 2
1993
120 650 928 2000 3500 706 575 2
1992
39 780 981 2000 5700 733 554 2
1991
11 840 1070 2000 20000 1100 567 2
1990
99 760   1900 3200 636 309 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.
Risks shown only for those substances with unit risk factors.