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PM10 Air Quality Data Summaries (1988-1997)
Sacramento 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 7 0 N N 108       20.9   23.2   101.1   108       
1996 13 0 N N 86       22.2   27.1   108.3   86       
1995 13 0 N N 85       26.3   28.9   105.2   85       
1994 15 0 N N 104       26.1   30.3   100.0   104       
1993 15 0 N N 118       27.3   32.1   128.0   118       
1992 13 0 N N 89       29.3   33.9     89       
1991 33 0 Y N 134       37.7   41.9     134       
1990 33 0 Y Y 153       69.6   86.9   155.5   153       
1989 22 0 Y N 139       35.6   41.9   141.3   139       
1988 29 0 Y N 99       34.8   40.4     99       

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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