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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Inner Harbor - O3 (1 hr)

 
Monitored ParameterAveraging PeriodCurrent ValueUnitsState StandardFederal Standard
O3 13869398 1 hr 0.042 ppm 0.090 --
O3 13869399 8 hr 0.047 ppm 0.070 0.070
PM10 13869401 24 hr 10.1 ug/m3 50.0 150.0
PM2.5 13869403 24 hr 4.0 ug/m3 -- 35.0
NO2 13869404 1 hr 0.004 ppm 0.180 0.100
CO 13869405 1 hr 0.3 ppm 20.0 35.0
CO 13869406 8 hr 0.4 ppm 9.0 9.0
SO2 13869407 1 hr 0.001 ppm -- 0.075
SO2 13869408 24 hr 0.001 ppm 0.040 0.140
Wind Speed 13869409 1 hr 6.5 mph -- --
Wind Direction 13869410 1 hr W direction -- --
BC 13869495 1 hr 0.097 ug/m3 -- --
BC 13869496 24 hr 0.148 ug/m3 -- --
Temperature 13869411 1 hr 61.4° deg F -- --
Relative Humidity 13869412 1 hr 69.1 % -- --
Rain 13869413 1 hr 0.00 in -- --
Rain-Daily 13869414 Daily Total 0.00 in -- --
Rain-Monthly 13869415 Monthly Total 0.19 in -- --
Rain-Annual 13869416 Annual Total -- in -- --