San Antonio and the State Implementation Plan
Information on the State Implementation Plan (SIP) to improve air quality in the San Antonio area and meet the requirements of the Federal Clean Air Act. The area includes Bexar, Comal, Guadalupe, and Wilson Counties.
Attainment Status
Current air quality designations for the six criteria pollutants
Air Quality History
San Antonio air quality history from the 1990s to the present
Latest Activities
Information about the latest events and activities related to San Antonio and the SIP
Air Quality Plans
Adopted SIP revisions and agreements from the 1970s to present
- Current Ozone Air Quality Plan
- Complete List of Texas SIP Revisions (see SAN column)
Air Quality Control Measures
Information on air quality control measures implemented in Texas
Contact Information and Related Links
How to contact TCEQ SIP staff, local air quality planning groups, and other helpful links