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 - air quality data for past days, weeks and months

All data is preliminary

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* Indicates reading occurred during instrument calibration

Date / Time (PST)	Value	Units	Averaging Period	State Standard	Federal Standard	Air Quality Index
07/06/2008 12:00AM	0.010	ppm	1-hr	0.09	-	-
07/06/2008 01:00AM	0.017	ppm	1-hr	0.09	-	-
07/06/2008 02:00AM	0.016	ppm	1-hr	0.09	-	-
07/06/2008 03:00AM	0.022	ppm	1-hr	0.09	-	-
07/06/2008 04:00AM	0.089	ppm	1-hr	0.09	-	-
07/06/2008 05:00AM	0.027	ppm	1-hr	0.09	-	-
07/06/2008 06:00AM	0.024	ppm	1-hr	0.09	-	-
07/06/2008 07:00AM	0.016	ppm	1-hr	0.09	-	-
07/06/2008 08:00AM	0.015	ppm	1-hr	0.09	-	-
07/06/2008 09:00AM	0.027	ppm	1-hr	0.09	-	-
07/06/2008 10:00AM	0.027	ppm	1-hr	0.09	-	-
07/06/2008 11:00AM	0.032	ppm	1-hr	0.09	-	-
07/06/2008 12:00PM	0.037	ppm	1-hr	0.09	-	-