California Air Resources Board California map with air basin highlighted
PM10 Air Quality Data Summaries (1988-1997)
South Central Coast 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 25 3 Y N 321.2   35.0   38.3   159.2   321.2   
1996 25 0 Y N 97.6   31.6   39.4   81.3   97.6   
1995 20 0 Y N 129       36.8   39.9   101.7   129       
1994 13 0 Y N 138.8   30.6   32.5   77.3   138.8   
1993 26 0 Y N 141       36.8   42.8   94.8   141       
1992 16 0 Y N 135       37.2   43.1   98.8   135       
1991 41 0 Y Y 119       37.4   53.7   102.9   119       
1990 27 0 Y N 133       34.5   36.6   113.5   133       
1989 48 0 Y N 119       40.8   43.4   96.6   119       
1988 41 0 Y N 118       35.7   40.8     118       

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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