Current Data

* The Port of Los Angeles completed its upgrade of the air quality monitoring network on October 12, 2023. Click here for current operational status.
* ALL DATA IS PRELIMINARY.
* DATA IS PRESENTED IN PACIFIC STANDARD TIME EVEN DURING DAYLIGHT SAVINGS TIME.

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Source Dominated - O3 (1 hr)

 
Monitored ParameterAveraging PeriodCurrent ValueUnitsState StandardFederal Standard
O3 13770864 1 hr 0.037 ppm 0.090 --
O3 13770865 8 hr 0.037 ppm 0.070 0.070
PM10 13770867 24 hr 22.0 ug/m3 50.0 150.0
PM2.5 13770869 24 hr 11.6 ug/m3 -- 35.0
NO2 13770870 1 hr 0.004 ppm 0.180 0.100
CO 13770871 1 hr 1.0 ppm 20.0 35.0
CO 13770872 8 hr 1.8 ppm 9.0 9.0
SO2 13770873 1 hr 0.000 ppm -- 0.075
SO2 13770874 24 hr 0.000 ppm 0.040 0.140
Wind Speed 13770875 1 hr 3.6 mph -- --
Wind Direction 13770876 1 hr SE direction -- --
UFP 13770877 1 hr 2,733 counts/cm3 -- --
BC 13770878 1 hr 0.108 ug/m3 -- --
BC 13770879 24 hr 0.254 ug/m3 -- --
Temperature 13770880 1 hr 59.4° deg F -- --
Relative Humidity 13770937 1 hr 78.0 % -- --