Current Ozone Activity

Ozone season Trendline Current Design Value is:  75 ppb


Current Air Quality Index (AQI) Map

These are not monitor values. These are AQI values. See table below.
Ozone Color Legend
Air Quality Index Values and Ozone Concentration
Air Quality Index(AQI) Values 8-hour Ozone Levels (ppb) Levels of Health Concern Colors
0-50 0-54 Good Green
51-100 55-70 Moderate Yellow
101-150 71-85 Unhealthy for Sensitive Groups Orange
151 to 200 86-105 Unhealthy Red
201 to 300 106-200 Very Unhealthy Purple
301 to 500+ Not Defined Hazardous Maroon

Current AQI Animation Animation Courtesy of AirNow
Monitor values shown on map are AQI values, not hourly ozone measurements.  See AQI table above.

North Central Texas AQI Animation

Image Looping
Single Frame


TCEQ Map of Current Monitor Levels

2018 Ozone Season Calendar
Current as of 7-23-2018

Ozone Monitor Scorecard
Current as of 7-23-2018

Ozone Design Value Trendline
Current as of 7-23-2018

TCEQ Air Quality Forecast


Please contact Jenny Narvaez with any questions.