Overall, fine particulate matter in the Metro East comes from a variety of different sources. Because it can often be hard to measure certain types of fine particulate matter, it is difficult to accurately estimate the amount of pollution that is created from each source.
Sources of Fine Particle Matter in Madison, St. Clair, and Monroe Counties
Source: 2008 EPA National Emissions Inventory
Metro East Community Air Project
1 Regency Plaza
Collinsville, IL 62234