Skip to Content
Questions or Comments:

Texas Statewide SIP Revisions

Revisions to Texas’ state implementation plan for air quality that affect the entire state.

Regional Haze
Texas’ plan to reduce haze-forming pollution and the EPA’s rule to reduce haze in national parks and wilderness areas.

Clean Air Interstate Rule (CAIR)
State and federal information on this former rule to reduce air pollution that crosses state boundaries.

Cross-State Air Pollution Rule (CSAPR)
Federal implementation plan to address interstate air pollution.