Want better video quality? Sign in to access HD streaming!


Want to watch better-quality PBS Video? Sign in to access HD streaming!

When you sign in, you'll become a PBS Insider and we'll share your contact information with your local PBS station. You may receive updates to help you stay connected with what's happening online and in your community. Privacy Policy


September 7, 2012 | Air Quality Concerns

  • Aired: 09/07/2012
  • 27:56
  • Rating: NR
Ozone readings in San Antonio have confirmed that for the first time we have violated Environmental Protection Agency standards and may be subject to strict federal clean air guidelines. The higher ozone levels may be related to the oil and gas boom of the Eagle Ford shale and from pollution that drifted here from Mexico East Texas and the East Coast.
Embed Options
Close ×
September 7, 2012 | Air Quality Concerns
September 7, 2012 | Air Quality Concerns
San Antonio has violated federal clean air standards.
Please copy this text to your clipboard.
Problems Playing Video ?
Thank you to The William and Salome Scanlan Foundation, The John and Florence Newman Foundation, and KLRN Viewers like you.
PBS Anywhere - funder area
Related Links:


Watch videos from your favorite PBS KIDS shows with the PBS KIDS Video app for your tablet or phone.

Downton Abbey Collection

Bring home the complete collection: DVDs, Blu-rays, books, gifts and more. Visit ShopPBS.


WTTW11 helps all of us explore new worlds and ideas. Give Now