Air Quality

Proposed ISIP for 2015 Ozone NAAQS

18 October 2019
The enclosed documents demonstrate that Vermont statutory authority and Vermont Air Pollution Control Regulations (APCR), which are currently part of the Vermont SIP, meet the requirements of CAA Sections 110(a)(1) and 110(a)(2) with respect to the 2015 ozone NAAQS.

Vermont RACT SIP

06 September 2018
This RACT SIP addresses Clean Air Act requirements under the 2008 and 2015 ozone National Ambient Air Quality Standards (NAAQS).

Air Quality Data

Welcome to Vermont's Real-Time Air Quality Data

AgileWeb Real Time Data 

Things to note when looking at the AgileWeb Real-Time data: The Home Page displays a map of Vermont with the stationary monitoring site locations indicated by color coded boxes and links to various graphical data for the past 5 days

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


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