Annual ARP+CAIR SO2 Emissions, SO2 Emission Rates and Heat Input Over Time, 1990 to 2014 Versus 1990

Each circle represents a facility; hover over a facility to view their data.
Note that data from 1991 to 1994 are interpolated.
1990 to 2013 data are final, 2014 are preliminary data submitted to EPA from sources as of March 9, 2015. 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.