San Pedro Bay Ports Clean Air Action Plan

Carbon Monoxide (CO)

Nitrogen Dioxide (NO₂)

Ozone (O₃) ground-level

PAHs (polycyclic aromatic hydrocarbons)

Coarse Particulate Matter (PM₁₀); (dust, smoke)

Sulfur Dioxide (SO₂)

Ultrafine Particles (UFP)

Data Averaging Periods

CAAP Home > Air Quality > Historical Data - past air quality data (Click here for Filter Data)

All data is preliminary

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Timeframe: From

Date / Time (PST)	Value	Units	Averaging Period	State Standard	Federal Standard	Air Quality Index
02/05/2012 12:00AM	0.002	ppm	1-hr	0.09	-	-
02/05/2012 01:00AM	0.002	ppm	1-hr	0.09	-	-
02/05/2012 03:00AM	0.002	ppm	1-hr	0.09	-	-
02/05/2012 04:00AM	0.002	ppm	1-hr	0.09	-	-
02/05/2012 05:00AM	0.002	ppm	1-hr	0.09	-	-
02/05/2012 06:00AM	0.002	ppm	1-hr	0.09	-	-
02/05/2012 07:00AM	0.002	ppm	1-hr	0.09	-	-
02/05/2012 08:00AM	0.009	ppm	1-hr	0.09	-	-

* Indicates reading occurred during instrument calibration