Air Quality

Data Summary Graphs


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. 

Ozone (O3) 8-Hour Average

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

VW Environmental Mitigation Funds


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