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 > Daily Highs - maximum levels by calendar day

All data is preliminary

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Timeframe: From

* Indicates reading occurred during instrument calibration

Date	Max Value	Units	Averaging Period	State Standard	Federal Standard	Air Quality Index
06/29/2008	0.057	ppm	1-hr	0.09	-	-
06/30/2008	0.014	ppm	1-hr	0.09	-	-
07/01/2008	0.031	ppm	1-hr	0.09	-	-
07/02/2008	0.031	ppm	1-hr	0.09	-	-
07/03/2008	0.039	ppm	1-hr	0.09	-	-
07/04/2008	0.067	ppm	1-hr	0.09	-	-
07/05/2008	0.043	ppm	1-hr	0.09	-	-
07/06/2008	0.089	ppm	1-hr	0.09	-	-