Daily Ozone Summary Santa Barbara County

See also Station Data for readings from each monitoring station in Santa Barbara County
or the California Air Resources Board for data from other areas in California.

*Ozone Data

Ozone levels are updated hourly at ten minutes past the hour, and are reported in parts per billion (ppb). Times are in Pacific Time, and are for the start of the hour for the hourly average reported. For example, the ozone level reported for 10 AM represents the average of levels from 10 AM to 11 AM. Data are not considered final until verified by the APCD.

	Exceeds state eight-hour standard (greater than or equal to 71 ppb)
	Exceeds state one-hour standard (greater than or equal to 95 ppb)
	Exceeds both state eight-hour standard and federal eight-hour standard (greater than or equal to 85 ppb)