Houston, Texas – High ozone levels could pose health risks across southeast Texas on Sunday as Houston, Galveston, and Brazoria brace for an official Ozone Action Day on June 1.
According to the Texas Commission on Environmental Quality (TCEQ), favorable atmospheric conditions will allow ozone pollution to accumulate throughout the day, prompting an alert relayed by the National Weather Service in Houston. Residents are encouraged to limit vehicle use, avoid idling, carpool or bike when possible, and conserve energy to help reduce emissions.
The alert covers densely populated zones including downtown Houston, Galveston Island, and suburban Brazoria County, where heat and light winds may trap pollutants near the surface. The advisory coincides with highs near 90°F, light winds under 10 mph, and mostly sunny skies—ideal for ozone formation.
Health officials warn sensitive groups—children, the elderly, and those with respiratory issues—to minimize prolonged outdoor exertion, especially in the late afternoon. While the air quality may improve overnight, similar conditions are expected to persist into early next week.
Ozone alerts remain in effect through Sunday evening. Additional air quality advisories may be issued if high-pressure patterns persist into Monday.
☀️ Five-Day Forecast for Houston, TX:
- Sunday: High 90°F, patchy fog AM, 30% chance of PM storms. Light wind.
- Monday: High 89°F, mostly sunny. Low 76°F.
- Tuesday: High 88°F, slight chance of PM storms. Low 77°F.
- Wednesday: High 90°F, 30% chance of PM storms. Low 77°F.
- Thursday: High 90°F, partly cloudy. Low 77°F.




