California Air Resources Board California Map with District Boundaries
Ozone Data Summaries (1980-1998)
Santa Barbara County APCD
Year Number of Days Standard Exceeded Ozone Concentrations in ppm
1 hour 8 hour
State
1hr
Federal
1hr
Federal
8hr
Max
1hr
3 Year
4th High*
EPDC*
Max
8hr
3 Year Avg
4th High*
1998 15 2 6 0.13 0.13 0.117 0.120 0.087
1997 10 1 4 0.14 0.13 0.122 0.108 0.089
1996 23 4 19 0.13 0.13 0.128 0.122 0.094
1995 24 3 16 0.14 0.13 0.122 0.118 0.090
1994 23 5 11 0.14 0.13 0.123 0.116 0.090
1993 23 1 13 0.14 0.12 0.121 0.110 0.091
1992 27 5 17 0.14 0.14 0.131 0.125 0.096
1991 38 6 25 0.13 0.15 0.137 0.113 0.099
1990 40 4 27 0.17 0.15 0.140 0.141 0.099
1989 42 9 28 0.22 0.15 0.129 0.176 0.097
1988 43 3 28 0.13 0.13 0.127 0.102 0.095
1987 37 4 25 0.17 0.14 0.134 0.141 0.095
1986 39 10 26 0.16 0.15 0.137 0.128 0.098
1985 15 3 9 0.23 0.15 0.142 0.140 0.096
1984 21 4 12 0.16 0.15 0.130 0.118 0.093
1983 20 7 10 0.16 0.14 0.128 0.118 0.091
1982 23 2 7 0.15 0.14 0.130 0.131 0.088
1981 17 3 9 0.24 0.16 0.138 0.138 0.093
1980 26 2 8 0.19 0.15 0.141 0.117 0.095
* The 3 year 4th high, 3 year average 4th high, and Expected Peak Day Concentration (EPDC) are calculated based on data for 3 successive years, listed by the last year of the three year period.  The EPDC represents the ozone concentration expected to occur once per year.
   

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This page last revised on March 26, 1999

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