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
12/16/2018 12:00AM 0.002 ppm 1-hr 0.09 - -
12/16/2018 01:00AM 0.001 ppm 1-hr 0.09 - -
12/16/2018 03:00AM 0.002 ppm 1-hr 0.09 - -
12/16/2018 04:00AM 0.002 ppm 1-hr 0.09 - -
12/16/2018 05:00AM 0.002 ppm 1-hr 0.09 - -
12/16/2018 06:00AM 0.002 ppm 1-hr 0.09 - -
12/16/2018 07:00AM 0.002 ppm 1-hr 0.09 - -
12/16/2018 08:00AM 0.002 ppm 1-hr 0.09 - -
12/16/2018 09:00AM 0.002 ppm 1-hr 0.09 - -
12/16/2018 10:00AM 0.002 ppm 1-hr 0.09 - -
12/16/2018 11:00AM 0.002 ppm 1-hr 0.09 - -
12/16/2018 12:00PM 0.002 ppm 1-hr 0.09 - -
12/16/2018 01:00PM 0.005 ppm 1-hr 0.09 - -
12/16/2018 02:00PM 0.013 ppm 1-hr 0.09 - -
12/16/2018 03:00PM 0.015 ppm 1-hr 0.09 - -
12/16/2018 04:00PM 0.014 ppm 1-hr 0.09 - -
12/16/2018 05:00PM 0.014 ppm 1-hr 0.09 - -
12/16/2018 06:00PM 0.014 ppm 1-hr 0.09 - -
12/16/2018 07:00PM 0.010 ppm 1-hr 0.09 - -
12/16/2018 08:00PM 0.002 ppm 1-hr 0.09 - -
12/16/2018 09:00PM 0.002 ppm 1-hr 0.09 - -
12/16/2018 10:00PM 0.001 ppm 1-hr 0.09 - -
* Indicates reading occurred during instrument calibration

San Pedro Bay Ports Clean Air Action Plan