Annual ARP, CAIR, and CSAPR SO2 Emissions, SO2 Emission Rates and Heat Input Over Time, 1990 to 2016 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 2015 data are final, 2016 are preliminary data submitted to EPA from sources as of February 9, 2017.
Click the Play button in the bottom left corner to view emissions through time. Click on a facility to follow a facility over time.