California Air Resources Board California Map with       
  District Boundaries
PM10 Air Quality Data Summaries (1988-1997)
Feather River AQMD
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 6 0 N N 98       25.3   28.6   116.3   98       
1996 7 0 N N 82       25.5   29.2   121.4   82       
1995 20 0 N N 128       29.5   32.2   119.2   128       
1994 11 0 Y N 154       31.1   34.1   102.3   154       
1993 12 0 N N 78       28.8   30.4   105.9   78       
1992 17 0 Y N 79       31.4   34.3   108.4   79       
1991 28 0 Y N 108       34.6   38.5     108       
1990 20 0 Y N 96       35.6   38.5     96       
1989 22 0 Y N 103       55.4   33.9     103       
1988 26 0 Y N 109       32.2   37.4     109       

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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