AirNow-Tech Improvements and Updated Ozone AQI Cut Points

The EPA and the AirNow Data Management Center (DMC) have released improvements to AirNow-Tech. These updates include

  • My Dashboard (Beta), available through the Dashboard drop-down menu. Allows viewing of current reporting status of each monitoring site belonging to a user’s agency.
  • New ozone AQI cut points to adapt to the updated EPA ozone standard. The following are the new 8-hour ozone concentrations ranges for each AQI category:

Good 0-54 ppb
Moderate 55-70 ppb
USG 71-85 ppb
Unhealthy 86-105 ppb
Very Unhealthy 106-200 ppb
Hazardous >200 ppb

Please send any questions to

Thank you for your attention.