California Air Resources Board California Map with County Boundaries
PM10 Air Quality Data Summaries (1988-1997)
Los Angeles County Portion
of the South 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 56 0 Y N 116       41.9   46.1   139.0   116       
1996 49 0 Y N 138       39.4   45.4   151.0   138       
1995 49 2 Y N 157       40.8   47.7   141.0   157       
1994 51 0 Y N 127       41.1   45.3   155.8   127       
1993 50 0 Y N 104       42.8   47.4   166.3   104       
1992 47 2 Y N 222       44.1   49.0   179.1   222       
1991 69 0 Y Y 151       59.7   65.9   157.6   151       
1990 65 2 Y Y 161       48.3   55.0   158.9   161       
1989 80 1 Y Y 172       59.6   63.8   176.4   172       
1988 83 0 Y Y 149       57.1   63.0     149       

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 8, 1999

Other Pollutants  |  PM10 Home Page  |  Air Basin (Site) Selection Map  |  Map for this Basin  
District/Site Directory  |  County/Site Directory  |  Monitoring Site Directory 
ARB Home Page  |   Search ARB Programs/Topics  |   Email ARB Help Attendant