Current Data

* 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.

Select A Site
Observation To Graph

Outer Harbor - O3 (1 hr)

 
Monitored ParameterAveraging PeriodCurrent ValueUnitsState StandardFederal Standard
O3 11524621 1 hr 0.023 ppm 0.090 --
O3 11524622 8 hr 0.012 ppm 0.070 0.070
PM10 11524624 24 hr 42.1 ug/m3 50.0 150.0
PM2.5 11524626 24 hr 21.8 ug/m3 -- 35.0
NO2 11524627 1 hr 0.019 ppm 0.180 0.100
CO 11524628 1 hr 1.1 ppm 20.0 35.0
CO 11524629 8 hr 1.3 ppm 9.0 9.0
SO2 11524630 1 hr 0.002 ppm -- 0.075
SO2 11524631 24 hr 0.003 ppm 0.040 0.140
Wind Speed 11524632 1 hr 8.8 mph -- --
Wind Direction 11524633 1 hr SW direction -- --
BC 11524701 1 hr 0.782 ug/m3 -- --
BC 11524702 24 hr 1.859 ug/m3 -- --
Temperature 11524634 1 hr 62.6° deg F -- --
Relative Humidity 11524635 1 hr 96.9 % -- --