2008 average fine particulate matter (PM2.5) concentrations by county
This file provides annual average concentration of PM2.5, by county, for the year 2008.  Definition of each variable is provided in the first row for each column.  This file was prepared for use with BenMAP-CE version 1.3.4.  Information on BenMAP-CE (including downloads of the current version of the model, manuals …