Texas State Implementation Plan
The Texas State Implementation Plan (SIP) is the state’s comprehensive plan to clean the air and meet federal air quality standards.
Click on an area of the map for information about that area's air quality plans:
Additional information on Texas air quality planning
General information about state implementation plans
Current issues related to the Texas SIP
Special terms and abbreviations used in the Texas SIP
Information about air quality improvement and conformity regulations
Information about the six pollutants regulated under the Federal Clean Air Act
Texas SIP Revisions and Other Air Quality Plans
List of adopted SIP revisions and agreements from the 1970s to the present
Get Information or Contact Staff
TCEQ SIP staff contacts