California Air Resources Board California map with air basin highlighted
PM10 Air Quality Data Summaries (1988-1997)
Sacramento Valley Air Basin
Year % of Samples
Above 24-Hr Standard
Exceeds Annual
Standard?
PM10 Concentration in ug/m3
State
>50ug/m3
Federal
>150ug/m3
State
AGM
Federal
AAM
Max
24-Hr
Max
AGM
Max
AAM
Max
EPDC
Max 99th
Percentile
1997 12 0 N N 126       25.3   28.6   129.9   126       
1996 18 0 N N 98       25.5   29.2   121.4   98       
1995 23 0 Y N 145       33.9   36.8   126.3   145       
1994 22 0 Y N 154       31.1   34.1   110.6   154       
1993 22 0 Y N 118       31.9   39.7   128.0   118       
1992 35 0 Y N 111       37.6   42.3   114.8   111       
1991 44 0 Y N 136       45.7   46.4   112.1   136       
1990 39 0 Y Y 153       69.6   86.9   155.5   153       
1989 34 0 Y Y 139       55.4   56.6   141.3   139       
1988 45 0 Y N 115       36.7   42.8     115       

Go to Data Explanation Explanation of the terminology in the header above, as well as the sampling program and analytical methods used to collect the data, the PM10 air quality standards, and how to request air quality data.

Please send questions or comments to:

aqdweb@arb.ca.gov

This page last revised on March 1, 1999

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