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
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This page last revised on October 9, 1997
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