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

Date	Max Value	Units	Averaging Period	State Standard	Federal Standard	Air Quality Index
01/29/2012	0.029	ppm	1-hr	0.09	-	-
01/30/2012	0.029	ppm	1-hr	0.09	-	-
01/31/2012	0.034	ppm	1-hr	0.09	-	-
02/01/2012	0.026	ppm	1-hr	0.09	-	-
02/02/2012	0.026	ppm	1-hr	0.09	-	-
02/03/2012	0.030	ppm	1-hr	0.09	-	-
02/04/2012	0.034	ppm	1-hr	0.09	-	-
02/05/2012	0.009	ppm	1-hr	0.09	-	-

* Indicates reading occurred during instrument calibration