California Air Resources Board California Map with       
  District Boundaries
PM10 Air Quality Data Summaries (1988-1997)
South Coast AQMD
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 71 8 Y Y 227       56.3   65.6   208.5   227       
1996 69 4 Y Y 215       52.0   62.8   212.8   215       
1995 63 8 Y Y 219       51.8   68.8   240.0   219       
1994 68 1 Y Y 161       56.0   65.5   242.1   161       
1993 67 3 Y Y 231       58.0   72.5   241.5   231       
1992 64 7 Y Y 649       62.4   79.0   323.0   649       
1991 74 8 Y Y 340       65.5   76.0   587.0   340       
1990 78 11 Y Y 520       66.9   80.3   553.3   520       
1989 85 13 Y Y 712       81.3   93.0   369.4   712       
1988 86 11 Y Y 289       81.8   94.5     289       

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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