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PM10 Air Quality Data Summaries (1988-1997)
Plumas County
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 9 0 N N 66       20.7   24.8   66.2   66       
1996 1 0 N N 55       23.3   25.9   92.1   55       
1995 2 0 N N 52       21.7   24.0   126.6   52       
1994 12 0 N N 98       28.7   33.0   142.7   98       
1993 35 0 Y N 130       30.0   36.9   178.8   130       
1992 24 0 Y N 120       31.0   37.4   178.5   120       
1991 37 2 Y N 162       30.8   49.2     162       
1990 21 0 N N 138       28.7   38.2     138       
1989 34 0 Y Y 144       65.5   77.9     144       
1988 23 0 Y N 153       102.1   48.0     153       

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 1, 1999

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