AirData will be offline today (Tuesday, August 9th)
The database is unavailable due to a problem with the overnight update. All AirData services are down all day today. We hope to restore services by tomorrow morning and will post an update as soon as...
View ArticleAirData is down
The database is unavailable due to a problem with the overnight update. All AirData services are down all day today. We hope to restore services by tomorrow morning and will post an update as soon as...
View ArticleAirData is down
The database is unavailable due to a problem with the overnight update. All AirData services are down temporarily. We hope to restore services later this afternoon and will post an update as soon as...
View ArticleThe Download Data Files page has been refreshed with new data
The file download page has been refreshed with new data. Sorry for the delay, but many changes were being made to AQS that we needed to wait on. First, 1/2 MDL values have been removed. Historically,...
View ArticleAirData will be offline due to scheduled maintenance from Saturday, July 2nd...
AirData will be offline due to scheduled maintenance from Saturday, July 2nd until Tuesday, July 5th.
View ArticleNew map layers now available
The following map layers have been added to the interactive map: Nonattainment areas Tribal areas Federal Class 1 areas
View ArticleAirData is down
The database is unavailable due to a problem with the overnight update. All AirData services are down temporarily. We hope to restore services by this afternoon and will post an update as soon as...
View ArticleInteractive Map - new interface
The map application on AirData has been updated to be consistent with the EPA GeoPlatform. The new application displays the same layers as the previous application. Instructions for using the map are...
View ArticleInteractive Map - a change is coming soon
We plan to replace the existing map application on AirData with a new one by the end of December 2015. The new application will display the same layers as the existing map and will provide the same...
View ArticleThe “Download Data Files” page has been updated
The “Download Data Files” page has been updated. The “Download Data Files” page has been updated. All files have been updated to incorporate any new data that was submitted to EPA since the last...
View ArticleAirData offline Sunday evenings for weekly update
AirData will be offline WEEKLY from 6pm EST Sunday to 6am EST Monday for scheduled weekly database updates.
View ArticleQuery Air Data has a new web site!
The Query Air Data (QAD) “endpoint” has moved. That means the URL used to access the interface or run queries has changed. The link on AirData has been changed to go to the new site. The new location...
View ArticleAirData Update
The AirData website was recently updated to connect to the new AQS Data Mart. You may notice some changes, including faster query times for many tools. In particular, please note: Annual means (for...
View ArticleChanges to Data Download Files
The Download Files page has been updated with new data and many other changes. Please note that we have made several changes to the data files. These changes include changing the formats of several...
View ArticleAirData is back online
Yesterday's database problems have been resolved and the system is back online. We apologize for the inconvenience.
View ArticleAirData is down
The database is in restricted mode due to a problem with the overnight update. All AirData services are down temporarily. We apologize for the inconvenience.
View ArticleThe “Download Data Files” page has been updated.
The “Download Data Files” page has been updated. All files have been updated to incorporate any new data that was submitted to EPA since the last update (June, 2014). If a file was changed, it will...
View Article
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