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  • » Matagorda County Placed Under the New Ozone Standard?

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  Air Pollution News

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

  • » AAH In the News: Pa., W.Va., Ohio vie for huge new Shell gas plant

  • » Exposed: Keystone XL Pipeline Will Export Energy Security Overseas

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  Air Exchange Radio

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

  • February 2011 — Guest: Deiedre Wright » Listen

• Air Alliance Houston Reports

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

  • » Turning Concern into Action - Community Air Quality Tool Kit

  • » Emissions from Delayed Coker, a New Report Released by IPCA

• 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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