Vermont PM2.5 I-SIP and Good Neighbor SIP
31 October 2017
The data summary graphs listed below demonstrate how Vermont's air quality compares to the National Ambient Air Quality Standards (NAAQS). These data summary graphs show the trends relative to the NAAQS through 2020 and are updated on a yearly basis.
Value for each year is the average of the EPA design value* for the previous three-years.
Reference: EPA Design Value Report AMP480 8/24/21