SO2 Emissions Have Fallen Dramatically Across Facilities Since 1990


Note: This motion chart may take a few minutes to load.

Each circle represents a facility; hover over a facility to view their data.
Note that data from 1991 to 1994 are interpolated.
1990 to 2011 data are final, 2012 are preliminary data submitted to EPA from sources as of March 28, 2013. EPA will update as it receives and verifies data.
Click the Play button in the bottom left corner to view emissions through time. Click on a facility to follow a facility over time.