Daily Outdoor Air Quality Data- Download Daily Data

Download daily data for a specific location and time period. This tool queries daily air quality summary statistics for the criteria pollutants by monitor. You can get data for specific monitors or all monitors in a city, county, or state.
Timeliness of data - The daily summaries come direcly from the AQS Data Mart which contains ambient air pollution data collected by EPA, state, local, and tribal air pollution control agencies. Most data in AQS is required to be submitted by the end of the calendar quarter after the quarter in which it was collected. However, AQS is updated practically every day as reporting agencies have data ready to submit. A key milestone in reporting is May 1st, by which all data for the prior year should be complete and correct.

The data in this archive are from 1980 through 2016. Data were harvested on Mar 11 2017 12:03:44 GMT-0600 (Central Standard Time).

Internet Archive URL: https://web.archive.org/web/*/https://www.epa.gov/outdoor-air-quality-data/download-daily-data

Data and Resources

Additional Info

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Source https://www.epa.gov/outdoor-air-quality-data/download-daily-data
Last Updated March 15, 2018, 19:00 (UTC)
Created April 2, 2017, 18:59 (UTC)