Backtrajectory clusters with NOx emissions
Backtrajectory clusters with SO2 emissions


These maps show the backtrajectory densities with NOx and SO2 emissions plotted in pink diamonds.   These emissions were obtained from the EPA AirData Facility Emissions Report – Criteria Air Pollutants 1999, http://www.epa.gov/air/data/.  Only the largest 1% emissions were used.



 















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