California Air Resources Board
 
California Air Basins - Trend of PM10 Exceedances
 
To view changes in the percent of PM10 samples with concentrations that exceeded the 24-hour State PM10 standard in a basin during 1988 through 1996, select a plot for the basin from the image below.
 
 
Go to Data Explanation Explanation of PM10 terminology and related PM10 programs.
BACK Back to the Statewide PM10 Web Page
 
Please send questions or comments to:
aqdweb@arb.ca.gov
This page last revised on October 9, 1997
 
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