Ozone pollution alert active for North Texas Wednesday

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On Tuesday at 4:45 p.m. the Texas Commission on Environmental Quality reported an air quality alert in effect until Wednesday at 7:45 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 Wednesday, May 13, 2026. Atmospheric conditions are expected to be favorable for producing high levels of ozone air pollution in the Dallas-Fort Worth area on Wednesday. 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," says the Texas Commission on Environmental Quality.

The alert is in effect on Wednesday.

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This story was originally published May 12, 2026 at 4:48 PM.