Current Data

* The Port of Los Angeles is in the process of upgrading its four air monitoring stations with new instrumentation and equipment. The procurement process was completed by the end of September 2022. The instrumentation and equipment will be installed as they are delivered, with all installation completed by mid-October 2023. Click here for details.

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

Select A Site
Observation To Graph

Coastal Boundary - O3 (1 hr)

 
Monitored ParameterAveraging PeriodCurrent ValueUnitsState StandardFederal Standard
O3 13256840 1 hr 0.013 ppm 0.090 --
O3 13256841 8 hr 0.018 ppm 0.070 0.070
PM10 13256843 24 hr 19.2 ug/m3 50.0 150.0
PM2.5 13256845 24 hr 4.8 ug/m3 -- 35.0
NO2 13256846 1 hr 0.020 ppm 0.180 0.100
CO 13256847 1 hr 3.0 ppm 20.0 35.0
CO 13256848 8 hr 3.1 ppm 9.0 9.0
SO2 13256849 1 hr 0.003 ppm -- 0.075
SO2 13256850 24 hr 0.003 ppm 0.040 0.140
Wind Speed 13256851 1 hr 5.1 mph -- --
Wind Direction 13256852 1 hr NW direction -- --
UFP 13256853 1 hr 36,177 counts/cm3 -- --
BC 13256894 1 hr 0.455 ug/m3 -- --
BC 13256895 24 hr 0.497 ug/m3 -- --
Temperature 13256854 1 hr 63.5° deg F -- --
Relative Humidity 13256897 1 hr 85.0 % -- --