A true-color image of a portion of Manila Bay as captured by Diwata-1 on February 19, 2018 at 3:24 PM PHT using its Spaceborne Multispectral Imager (SMI).
An analysis of turbidity, using the Formazin Nephelometric Unit (FNU) to measure water clarity, shows unmistakably turbid murky waters at the mouth of Pasig River appearing to flow out from inside the river. Using a baseline of less than 5 FNU based from Figure 2, which generally indicates clear waters, more than 25 FNU units are shown to move out from the mouth of the river even extending inside the river.
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