Monthly AirNow System Maintenance Schedule

The AirNow Data Management Center will be performing routine system maintenance on on the last Tuesday of each month from 6:30 pm - 1:30 am EST. AirNow-Tech will not be accessible during this time, and AirNow data feeds and products will not update or be delayed.

The current dates for the scheduled maintenance windows in 2016 are as follows:

  • April 26
  • May 31
  • June 28
  • July 26
  • August 16*, August 30
  • September 27
  • October 25
  • November 29
  • December 27

*Additional maintenance to accommodate system upgrades.

We apologize for any inconvenience caused.

Thank you.
EPA and AirNow Data Management Center