Terms of Use

With respect to documents available from this server or documents from other servers made available through this server, neither the Bay Area Air Quality Management District, the State of California, nor any of their employees, makes any warranty, express or implied, including the warranties of merchantability and fitness for a particular purpose, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights.

General Terms of Use

All brand, product, and process names appearing on this server are trademarks or registered trademarks of their respective holders. Reference to, or use of, a product or process does not imply approval or recommendation of that product or process. All documents available from the server may be protected under the U.S. and Foreign Copyright Laws. Permission to reproduce may be required.

The views, conclusions, findings and opinions of the authors are those of the authors and do not necessarily reflect the views of the Bay Area Air Quality Management District, the State of California, or their employees.

SMS Terms of Use

Message frequency will vary. Subscribers are expected to receive an estimated 1-15 texts per month, potentially more, depending on how weather patterns and natural occurrences influence the number of poor air quality days in the Bay Area. Message and data rates may apply.

How to stop receiving messages:

  • Text STOPW for Winter STA Alerts.
  • Text STOPS for Summer STA Alerts.
  • Text STOP to unsubscribe from all STA Alerts.
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San Francisco, CA 94105
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