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  • » 2011 Proving to Be a Bad Year for Air Quality in Texas

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  • June 2011 — Guest: Harris County Attorneys Vince Ryan, Terry O’Rourke and Rock Owens.

  • February 2011 — Guest: Deiedre Wright » Listen

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  • » TCEQ Air Permitting and Enforcement: Improving Texas’ Air Quality Through the Sunset Review Process

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• Daily Update

  Houston region hourly ozone data are provided by the Texas Commission on Environmental Quality (TCEQ). Ozone values are scaled to the standard air quality index colors. The “current” data are actually not quite real-time and are an average of the previous hour.

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• Air Quality Legend

  Dark Purple

  Hazardous

  Fuschia

  Very unhealthy

  Red

  Unhealthy

  Orange

  Uhealthy (For Sensitive Groups)

  Yellow

  Moderate

  Green

  Good

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