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Annual Statewide Toxics Summary
ARB's ADAM Air Quality Database
Benzo(a)pyrene-10 FAQs
nanograms per cubic meter
Read About New Estimated Risk
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
Estimated
Risk
2005
0.025 0.12 * 0.42 3.6 0.555 60 0.05 *
2004
0.025 0.025 0.128 0.30 3.4 0.319 517 0.05 0.4
2003
0.025 0.025 0.138 0.27 3.1 0.345 497 0.05 0.4
2002
0.025 0.025 0.138 0.29 3.6 0.330 474 0.05 0.4
2001
0.025 0.025 0.171 0.40 8.8 0.573 486 0.05 0.5
2000
0.025 0.025 0.166 0.39 4.6 0.410 506 0.05 0.5
1999
0.025 0.025 0.180 0.45 4.1 0.405 592 0.05 0.6
1998
0.025 0.05 0.204 0.56 4.3 0.468 603 0.05 0.6
1997
0.025 0.025 0.202 0.42 6.9 0.488 575 0.05 0.6
1996
0.025 0.025 0.166 0.45 3.0 0.374 452 0.05 0.5
1995
0.025 0.07 0.205 0.49 3.6 0.405 448 0.05 0.7
1994
0.025 0.22 * 1.0 5.5 0.655 264 0.05 *
1993
0.025 0.09 0.416 1.3 6.2 0.796 455 0.05 1
1992
0.025 0.06 0.308 0.87 6.1 0.671 456 0.05 1
1991
0.025 0.07 0.331 0.92 5.3 0.699 451 0.05 1
1990
0.025 0.09 0.498 1.0 23 1.48 447 0.05 2
1989
0.025 0.08 0.740 2.0 14 1.90 420 0.05 2
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.