Illinois emissions  
258.2 Mt CO₂e(4.01% of U.S. greenhouse gas emissions)

U.S. State Emissions Explorer

In 2014, the top 10 U.S. state GHG emitters accounted for nearly half of the U.S. emission. You can also compare global emissions data by country here. Find the newest data on the CAIT Climate Data Explorer.
Emission from Top 10 U.S. State Emitters
Emission from Energy Sub-Sectors
Graphic by Johannes Friedrich based on work by Duncan Clark, Kiln, Mike Bostock and Jason Davies. Thanks also to Jamie Cotta.
Data is for GHG emissions excluding land-use change an forestry and excluding bunker fuels. Energy emissions by sub-sector are highlighted for each state. For more information visit our WRI blog.