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Data Collected by Automated Gas Chromatographs (AutoGCs)

Links to air toxics data collected by the TCEQ's AutoGCs, a description of why this data is collected and how it is used, and monitoring network and program contact information.

If you need a text version of this information, visit our Alternate page https://www.tceq.texas.gov/airquality/monops/agc/agc-map-alt.html

  • Mouse over the colored areas of the map to see what region is represented by that selection.
  • Click on a region to see available data collected from that particular region.
  • Brown areas on the map are regions for which no data are available.

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