|TABLE 9. PARTICULATE SUMMARY REPORT FOR 2006|
|Particulate: PM2.5 Units: ug/m3|
|California 24 Hour Standard: No Separate State Standard Federal 24 Hour Standard: 65 ug/m3 California Annual Arithmetic Mean Standard: 12ug/m3 for 24 hours Federal Annual Arithmetic Mean Standard: 15 ug/m3 for 24 hours|
|STATION||Annual Arithmetic Mean||24-Hour High||Date||24-Hour 2nd High||Date|
The Federal 24 Hour Standard of 65 ug/m3 was strengthened to 35 ug/m3 in September 2006.Particulate sampling is on a 1 in 6 day schedule for a 24 hour run period.
Return to 2006 Annual Air Quality Report