Trends in Absolute Burdens due to PM2.5 Emitted by Fossil Fuels: United States, 2008–2017
Note. PM2.5 = fine particulate matter. Data from 2008, 2011, and 2014 were derived from the National Emissions Inventory.27 We estimated 2017 values by omitting from our analysis coal-fired electricity-generating units that retired operations between 2015 and 2017.