Ozone pollution alert affecting North Texas Thursday

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An air quality alert was reported by the Texas Commission on Environmental Quality on Wednesday at 3:28 p.m. in effect until Thursday at 6:30 p.m. The alert is for Wise, Denton, Collin, Parker, Tarrant, Dallas, Hood, Johnson, Hunt, Rockwall, Kaufman, Ellis and Henderson counties.

"The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Dallas-Fort Worth area for Thursday, May 14, 2026. Atmospheric conditions are expected to be favorable for producing high levels of ozone air pollution in the Dallas-Fort Worth area on Thursday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive-through lanes, conserving energy, and keeping your vehicle properly tuned," states the Texas Commission on Environmental Quality.

The alert is in effect on Thursday.

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This story was originally published May 13, 2026 at 3:30 PM.