California Air Resources Board California Map with County Boundaries
Ozone Data Summaries (1980-1998)
Tulare County
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 61 6 52 0.15 0.14 0.134 0.122 0.102
1997 50 1 54 0.13 0.13 0.131 0.106 0.101
1996 81 4 78 0.14 0.14 0.139 0.111 0.105
1995 66 3 59 0.13 0.15 0.143 0.112 0.107
1994 78 12 82 0.15 0.15 0.144 0.119 0.109
1993 76 10 72 0.15 0.14 0.135 0.125 0.105
1992 23 2 14 0.13 0.13 0.124 0.105 0.101
1991 60 1 63 0.13 0.14 0.133 0.111 0.104
1990 62 1 65 0.14 0.14 0.135 0.115 0.106
1989 75 10 69 0.16 0.15 0.142 0.121 0.111
1988 77 4 66 0.15 0.15 0.144 0.117 0.112
1987 90 8 86 0.18 0.15 0.144 0.133 0.108
1986 98 13 99 0.16 0.14 0.140 0.121 0.108
1985 93 6 96 0.14 0.13 0.133 0.113 0.105
1984 73 3 68 0.14 0.13 0.134 0.117 0.108
1983 64 4 66 0.14 0.13 0.131 0.112 0.112
1982 81 13 85 0.15 0.14 0.138 0.128 0.121
1981 54 2 40 0.13 0.14   0.108 0.104
1980 77 10 64 0.16 0.14   0.118 0.106
* 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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