Table 9 - Particulate Summary for PM2.5

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
SANTA BARBARA	10	28	10-Feb-06	24	31-Dec-06
SANTA MARIA	8	14	4-Jul-06	13	10-Feb-06

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