California Air Resources Board California Map with       
  District Boundaries
PM10 Air Quality Data Summaries (1988-1997)
Great Basin Unified APCD
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 21 4 N N 312       22.2   34.3   394.0   312       
1996 27 8 N Y 491       29.8   68.9   455.1   491       
1995 25 7 N Y 2668       28.1   61.3   396.0   2668       
1994 19 2 Y N 388       30.3   29.8   186.3   388       
1993 26 7 N Y 981       27.6   54.6   505.7   981       
1992 27 8 N N 526       28.9   37.3   232.0   526       
1991 20 2 N N 181       26.9   36.2   274.6   181       
1990 13 3 N Y 866       29.0   137.5   269.6   866       
1989 20 3 N Y 1861       24.1   91.0   183.3   1861       
1988 36 3 Y N 394       30.2   44.0     394       

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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