State Agencies

• Texas Department of Health
• Texas Health and Human Services Commission
• Texas Department of Transportation
• Texas Commission on Environmental Quality
• Texas Railroad Commission
• Texas State Legislature

Federal Agencies

• Federal Highway Adminstration
• Federal Transit Administration
• U.S. Department of Health and Human Services
• U.S. Department of Transportation
• U.S. Environmental Protection Agency
  • Office of Air Quality Planning Standards
  • Office of Transportation and Air Quality (OTAQ)
  • Green Book: Nonattainment Areas for Criteria Pollutants
  • Region 6 Homepage

Other Air Quality Links

• Air Now - Smog Who Does It Hurt?
• Air & Waste Management Association
• South Coast Air Quality Management District