San Pedro Bay Ports Clean Air Action Plan
CAAP Home > Air Quality > Current Data - real-time air quality information   All data is preliminary 
* Indicates reading occurred during instrument calibration  
Monitored ParameterAveraging PeriodCurrent ValueUnitsState StandardFederal Standard
O3 1-hr 0.034 ppm 0.09 -
O3 8-hr 0.034 ppm 0.07 0.08
PM10 24-hr 29.7 µg/m3 50 150
PM2.5 24-hr 9.6 µg/m3 - 35
NO2 1-hr 0.007 ppm 0.25 -
CO 1-hr 0.050 ppm 20.0 35.0
CO 8-hr 0.073 ppm 9.0 9.0
SO2 1-hr 0.001 ppm 0.25 -
SO2 24-hr 0.007 ppm 0.04 0.14
Wind Speed 1-hr 8.6 mph - -
Wind Direction 1-hr S direction - -
Temperature 1-hr 70.5 deg F - -
Relative Humidity 1-hr 60.1 % - -
Rain 1-hr 0.00 in/hr - -
Current Data Chart
San Pedro Bay Ports Clean Air Action Plan