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PM10 Air Quality Data Summaries (1988-1997)
Yolo County
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 5 0 N N 126       24.1   27.6   129.9   126       
1996 12 0 N N 77       23.1   27.5   119.4   77       
1995 20 0 N N 145       28.9   36.8   126.3   145       
1994 11 0 Y N 98       30.3   33.2   110.6   98       
1993 18 0 N N 96       26.1   31.8   126.2   96       
1992 35 0 Y N 106       37.6   42.3     106       
1991 49 0 Y N 136       39.2   46.4     136       
1990 15 0 Y Y 147       44.8   59.9   109.3   147       
1989 15 0 Y N 113       30.4   34.5   117.5   113       
1988 33 0 Y N 96       33.6   40.5     96       

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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