Current Ozone Activity

Ozone season Trendline Current Design Value is: 75 ppb

These are not monitor values. These are AQI values. See table below.

**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