System Maintenance 10 pm EDT on August 4 to 5 am EDT on August 5, 2016

The AirNow Data Management Center will be performing routine system maintenance from 10 pm EDT to 5:00 am EDT on Thursday, August 4 into Friday, August 5. During this time, AirNow-Tech will not be accessible. In addition, products on, AirNow API, and related data feeds will not update or be delayed until maintenance is completed.

Thank you,
EPA and the AirNow Data Management Center