Daily Highs

* The Coastal Boundary station was suspended in April 2020 (until further notice) due to future construction at the wharf.
* ALL DATA IS PRELIMINARY. DATA IS PRESENTED IN PACIFIC STANDARD TIME EVEN DURING DAYLIGHT SAVINGS TIME.

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DateMonitored ParameterMax ValueAveraging PeriodUnitsState StandardFederal StandardAir Quality Index
2020-08-03 O3 0.047 1 hr ppm 0.090 -- --
2020-08-04 O3 0.034 1 hr ppm 0.090 -- --
2020-08-05 O3 0.036 1 hr ppm 0.090 -- --
2020-08-06 O3 0.034 1 hr ppm 0.090 -- --
2020-08-07 O3 0.035 1 hr ppm 0.090 -- --
2020-08-08 O3 0.042 1 hr ppm 0.090 -- --
2020-08-09 O3 0.023 1 hr ppm 0.090 -- --