California Air Resources Board
Percent of Samples that Exceed State 24-hour PM10 Standard
Lake County Air Basin, 1988-1996
PM10 Exceedances in the Lake County Air Basin
This plot illustrates changes in the percent of PM10 samples with concentrations that exceeded the 24-hour State standard in the Lake County Air Basin during 1988 through 1996.
Go to Data Explanation Explanation of PM10 terminology and related PM10 programs.
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This page last revised on October 9, 1997

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