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
11/21/2017 12:00AM 0.003 ppm 1-hr 0.09 - -
11/21/2017 01:00AM 0.005 ppm 1-hr 0.09 - -
11/21/2017 03:00AM 0.003 ppm 1-hr 0.09 - -
11/21/2017 04:00AM 0.003 ppm 1-hr 0.09 - -
11/21/2017 05:00AM 0.003 ppm 1-hr 0.09 - -
11/21/2017 06:00AM 0.003 ppm 1-hr 0.09 - -
11/21/2017 07:00AM 0.005 ppm 1-hr 0.09 - -
11/21/2017 08:00AM 0.004 ppm 1-hr 0.09 - -
11/21/2017 09:00AM 0.007 ppm 1-hr 0.09 - -
11/21/2017 10:00AM 0.010 ppm 1-hr 0.09 - -
11/21/2017 11:00AM 0.008 ppm 1-hr 0.09 - -
11/21/2017 12:00PM 0.011 ppm 1-hr 0.09 - -
11/21/2017 01:00PM 0.019 ppm 1-hr 0.09 - -
11/21/2017 02:00PM 0.024 ppm 1-hr 0.09 - -
11/21/2017 03:00PM 0.021 ppm 1-hr 0.09 - -
11/21/2017 04:00PM 0.011 ppm 1-hr 0.09 - -
11/21/2017 05:00PM 0.007 ppm 1-hr 0.09 - -
11/21/2017 06:00PM 0.004 ppm 1-hr 0.09 - -
11/21/2017 07:00PM 0.003 ppm 1-hr 0.09 - -
11/21/2017 08:00PM 0.003 ppm 1-hr 0.09 - -
11/21/2017 09:00PM 0.003 ppm 1-hr 0.09 - -
11/21/2017 10:00PM 0.003 ppm 1-hr 0.09 - -
* Indicates reading occurred during instrument calibration

San Pedro Bay Ports Clean Air Action Plan