The Texas Commission on Environmental Quality has issued Ozone Action Days for Dallas-Fort Worth and Austin for Wednesday, October 21, 2026.
The alerts were relayed by NWS Fort Worth and NWS Austin/San Antonio on Tuesday afternoon.
Warm, sunny weather and no rain are setting up conditions that favor high levels of ozone pollution.
Dallas-Fort Worth
TCEQ says atmospheric conditions are favorable for high ozone in the Dallas-Fort Worth area on Wednesday.
The air quality alert covers a group of North Texas counties in the NWS Fort Worth area.
NWS Fort Worth expects above-normal temperatures to continue into the weekend, with highs in the mid 80s.
There are no rain chances for the next several days.
Rain chances start to creep back next week, but no major changes are expected soon.
Austin
The Central Texas Clean Air Force says the same for the Austin area on Wednesday.
The alert covers a group of Central Texas counties in the NWS Austin/San Antonio area.
NWS Austin/San Antonio forecasts sunny skies and highs from the upper 70s to upper 80s.
A warming trend is expected through the week, with low rain chances returning to the Rio Grande plains and southern areas.
If needed, the next Austin-area Ozone Action Day will be issued by 3 p.m. Wednesday.
Source: NWS Austin/San Antonio on X
How to Help Reduce Ozone
Officials ask residents to cut back on activities that add to ozone pollution.
Share a ride, walk or ride a bicycle.
Take your lunch to work and avoid drive-through lanes.
Conserve energy and keep your vehicle properly tuned.
Check current conditions at AirNow, Air North Texas and Clean Air Force of Central Texas.
Local forecasts: NWS Fort Worth and NWS Austin/San Antonio.
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