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AirData

AirData, access to monitored air quality from EPAs Air Quality System Data Mart
Basic Information

AirData gives you access to air quality data collected at outdoor monitors across the United States. Read more

Reports
Air Quality IndexAir Quality Index
Display an annual summary of AQI values.
Air Quality Statistics Air Quality Statistics
Display standards-related summary data by city or county.
Monitor ValuesMonitor Values
Display summary data for individual monitoring sites.
More Reports More Reports
See other summary and technical reports.
Visualize Data
AQI PlotAQI Plot
Compare AQI values for a location & time.
Tile PlotTile Plot
Plot daily AQI values for a location & time.
Concentration PlotConcentration Plot
Generate a time series plot for a location.
Concentration MapConcentration Map
Generate concentration maps for a specific time.
More ToolsMore Tools
See other visualization tools.

Download Data
Download DataDownload and save daily data to a spreadsheet or file.
Use the Interactive Map
Use Interactive Map

See where air quality monitors are located, get information about the monitors, and download monitor data. Select which monitoring networks to display.


Latest News
  • 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.
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Other Sources of Air Data

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