[weegee]

Vegetative detritus (debris) was a larger percentage of "pollution" particles than meat in all areas. Meat ranks at the bottom of all except for Clinton where Fuel oil particles were measurably smaller.

[weegee]

I imagine that other things like salt and decaying fish make up a bit more of Galveston's air. There are other things that could have been detected possibly too (they are closer to the petroleum industry).

This article does little to actually inform us as to what the air is like in these regions.

On a side note, maybe Houston was tagged as "Fattest City" because Houstonians are obese from seconds hand fatty smoke. < /sarcasm >