California Air Resources Board California Map with County Boundaries
PM10 Air Quality Data Summaries (1988-1997)
Riverside County Portion
of the Salton Sea 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 39 3 Y Y 182       46.4   53.9   208.5   182       
1996 48 3 Y Y 215       48.3   55.6   168.8   215       
1995 43 2 Y Y 199       47.2   52.3   134.7   199       
1994 35 0 Y N 97       45.3   48.3   117.3   97       
1993 39 0 Y N 125       40.6   46.4   201.1   125       
1992 30 1 Y N 175       39.2   43.1   323.0   175       
1991 60 5 Y Y 340       59.8   69.3   587.0   340       
1990 66 6 Y Y 520       64.9   80.3   553.3   520       
1989 64 7 Y Y 712       66.4   89.9   369.4   712       
1988 37 0 Y N 115       42.7   47.6     115       

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

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