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PM10 Air Quality Data Summaries (1988-1997)
Madera 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
1996 17 0 Y N 89       32.7   36.8     89       
1995 34 0 Y N 111       34.1   42.0   141.4   111       
1994 21 0 Y N 105       35.7   40.1   139.8   105       
1993 38 0 Y N 128       38.7   47.1   145.1   128       
1992 32 0 Y N 96       40.3   43.6   167.7   96       
1991 45 0 Y Y 118       42.4   52.2   168.8   118       
1990 42 2 Y Y 174       43.4   53.5   156.7   174       
1989 40 2 Y Y 162       47.6   53.7   137.4   162       
1988 43 0 Y Y 108       47.1   52.7     108       

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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