Daily Highs

* The Coastal Boundary station was suspended in April 2020 (until further notice) due to construction of Alternative Maritime Power infrastructure 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
2020-05-21 O3 0.050 1 hr ppm 0.090 -- --
2020-05-22 O3 0.041 1 hr ppm 0.090 -- --
2020-05-23 O3 0.042 1 hr ppm 0.090 -- --
2020-05-24 O3 0.051 1 hr ppm 0.090 -- --
2020-05-25 O3 0.048 1 hr ppm 0.090 -- --
2020-05-26 O3 0.041 1 hr ppm 0.090 -- --
2020-05-27 O3 0.015 1 hr ppm 0.090 -- --