Current Data

* * The Port of Los Angeles has completed the upgrade of its four station air quality monitoring network with new instrumentation and equipment. Click here for details.

* ALL DATA IS PRELIMINARY. DATA IS PRESENTED IN PACIFIC STANDARD TIME EVEN DURING DAYLIGHT SAVINGS TIME.

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Outer Harbor - O3 (1 hr)

 
Monitored ParameterAveraging PeriodCurrent ValueUnitsState StandardFederal Standard
O3 13413429 1 hr 0.045 ppm 0.090 --
O3 13413430 8 hr 0.019 ppm 0.070 0.070
PM10 13413432 24 hr 19.8 ug/m3 50.0 150.0
PM2.5 13413434 24 hr 9.0 ug/m3 -- 35.0
NO2 13413435 1 hr 0.004 ppm 0.180 0.100
CO 13413436 1 hr 0.4 ppm 20.0 35.0
CO 13413437 8 hr 0.9 ppm 9.0 9.0
SO2 13413438 1 hr 0.002 ppm -- 0.075
SO2 13413439 24 hr 0.003 ppm 0.040 0.140
Wind Speed 13413440 1 hr 10.3 mph -- --
Wind Direction 13413441 1 hr SE direction -- --
BC 13413509 1 hr 0.080 ug/m3 -- --
BC 13413510 24 hr 0.851 ug/m3 -- --
Temperature 13413442 1 hr 64.8° deg F -- --
Relative Humidity 13413443 1 hr 98.2 % -- --