Based on the aerosol data available from 2001-2004, seven
source factors were generated from the PMF modeling. We have labeled these seven factors
based on the preliminary analysis as shown below (click on the chart to see
the full size figure).
Dust
Sulfate-rich Secondary
Construction
Smoke
Mobile
Nitrate-rich Secondary
Coal Combustion
Based on the PMF modeling results, the
average contribution of each source factor to PM2.5 mass concentration is
shown in the figure below (click
on the chart to see the full size figure).
The chart below shows the comparison of
the reconstructed PM2.5 mass based on the PMF modeling and the measured PM2.5
mass (click on the plot
to see the full size version).
The PMF modeling results, including the
source profiles and the contributions of the source factors to the PM2.5
mass on a sample by sample basis, are available in this
Excel
Spreadsheet.