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Archived Air-Quality Data

All Data

Maximum Data Query: Obtain the top 50 values by year for pollutants measured at monitoring sites in our network. This includes both continuous and filter-based measurements. Click here to query validated data from January 1999 through December 2004.

Continuous Data

Current and historic continuous monitoring data along with monthly time-series graphs can be accessed through the Real-time Data page.

24-hr Filter-based Data

PM2.5 FRM Data: The State of Vermont has measured fine particulate matter with the PM2.5 Federal Reference Method (FRM) since January 1999. Click here to obtain concentration and AQI data for all sites from January 1999 through June 2010.

PM2.5 Chemical Speciation: The State of Vermont maintains two PM2.5 chemical speciation sites. The Burlington site has been in operation since December 2000 and is part of the EPA's Speciation Trends Network. The Underhill site has been in operation since March 2001 and is part of the IMPROVE Network. Data is availabe for Burlington up to March 10 , 2004 and for Underhill up to September 29, 2002.

PM10 Data: The State of Vermont has discontinued PM10 sampling at all sites except Burlington starting in 2003. Click here to obtain concentration data for all sites from January 1999 through December 2002.

 

   
VT DEC Air Quality & Climate Division Davis Building 2nd Floor, 1 National Life Drive   Montpelier, VT  05620-3802  Tele: 802-828-1288 Fax: 802-828-1250

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