Daily Highs

* The Coastal Boundary station was suspended in April 2020 (until further notice) due to future construction at the wharf.
* The Source-Dominated station was suspended in May 2021 (until further notice).
* 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
2022-01-20 O3 0.034 1 hr ppm 0.090 -- --
2022-01-21 O3 0.031 1 hr ppm 0.090 -- --
2022-01-22 O3 0.035 1 hr ppm 0.090 -- --
2022-01-23 O3 0.044 1 hr ppm 0.090 -- --
2022-01-24 O3 0.032 1 hr ppm 0.090 -- --
2022-01-25 O3 0.040 1 hr ppm 0.090 -- --
2022-01-26 O3 0.019 1 hr ppm 0.090 -- --