Recent Additions

The following are updates to the AirData website. For updates regarding AQS data, see the AQS Recent Additions page.

May 10, 2012 - The interactive map now shows which monitors are active or inactive.
March 13 , 2012 - You can now map individual states with the Concentration Map.
February 27, 2012 - Spreadsheet versions of the monitoring network map layers are now available.
February 22, 2012 - See a demo of the tools available on this website. The February 9th AirData Webinar is now on-line.
February 22, 2012 - The Tile Plot has a new feature. By mousing-over each day in the plot, you can see which monitor is responsible for the daily max AQI value.
December 15 , 2011 - The Ozone Exceedances visualization tool is now available. Use it to compare ozone exceedances from one year to the next.
December 15, 2011 - You can now get underlying data for each visualization tool. The download link is provided with each plot.
December 15 , 2011 - The new AQI Plot allows you to compare AQI values for any two AQI pollutants.