Air Quality Safe After Valero Facility Emissions Incident in Texas City

Air quality investigation underway in Texas City after 'upset' of sulfur dioxide

TEXAS CITY, Texas (KIAH) -- Air quality monitoring is underway in Texas City after a reported "upset" led to higher the normal emissions of sulfur dioxide. It happened Saturday night at the Valero facility on Loop 197. A city spokesperson said this is considered a level 3-A alert – just as precautionary measure. That means there could be impacts outside of the refinery. According to EPA’s website, short time exposure to sulfur dioxide can harm a…

Air quality check after 'higher than normal' sulfur dioxide levels at Valero facility: Texas City

The Texas City Office of Emergency Management says it is aware of what is described as "an upset" at the Valero facility.

Air quality safe after Valero facility emissions incident in Texas City

After an incident at the Valero facility led to elevated sulfur dioxide emissions, officials have confirmed that air quality is safe and the South Loop has reopened.

Higher-than-normal SO2 emissions detected at Texas City Valero facility, city officials say

A Valero plant in Texas City reported higher-than-normal sulfur dioxide emissions on Saturday, Aug. 16, 2025.

Valero facility in Texas City reports higher SO2 emissions, air monitoring ongoing

As a precaution, portions of FM 519 to the 605 South Loop have been temporarily closed. Early results from air monitors show no immediate health risks to the public.