San Pedro Bay Ports Clean Air Action Plan
CAAP Home > Air Quality > Historical Data - past air quality data  (Click here for Filter Data)   All data is preliminary 
 
     
 
     
What is the Air Quality Index? 
Date / Time (PST)ValueUnitsAveraging PeriodState StandardFederal StandardAir Quality Index
07/21/2017 12:00AM 0.019 ppm 1-hr 0.09 - -
07/21/2017 01:00AM 0.025 ppm 1-hr 0.09 - -
07/21/2017 03:00AM 0.034 ppm 1-hr 0.09 - -
07/21/2017 04:00AM 0.033 ppm 1-hr 0.09 - -
07/21/2017 05:00AM 0.031 ppm 1-hr 0.09 - -
07/21/2017 06:00AM 0.028 ppm 1-hr 0.09 - -
07/21/2017 07:00AM 0.029 ppm 1-hr 0.09 - -
07/21/2017 08:00AM 0.030 ppm 1-hr 0.09 - -
07/21/2017 09:00AM 0.031 ppm 1-hr 0.09 - -
07/21/2017 10:00AM 0.034 ppm 1-hr 0.09 - -
07/21/2017 11:00AM 0.032 ppm 1-hr 0.09 - -
* Indicates reading occurred during instrument calibration

San Pedro Bay Ports Clean Air Action Plan