Regional Organizations 2035plan AERCO Bay Area Transportation Partnership Citizens' Environmental Coalition Citizen's League for Environmental Action Now City of Houston City of Houston Health & Human Services Clean Cities/Clean Vehicles Colorado Valley Transit Authority Commute Solutions Galveston Houston Association for Smog Prevention Greater Houston Partnership Harris County Harris County Health Department Harris County Office of Emergency Management Houston-Galveston Area Council H-GAC Transportation Houston Area Bicyclist Alliance M.D. Anderson Cancer Center Memorial Healthcare System METRO Mothers For Clean Air North Houston Association RAQPC TranStar State Websites Aircheck Texas Drive Clean Across Texas Texas Department of State Health Services Texas Health & Human Services Commission Texas Department of Transportation Texas Commission on Environmental Quality Ozone Warning Status Curent Ozone Levels Houston AQI Readings Ozone Animations 8-Hour Excedances Smoking Vehicle Program Reporting Environmental Problems State Implemenation Plan (SIP) 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 Hot Tips for a Cool Summer Office of Air Quality Planning Standards State & Local Transportation Resources Green Book: Nonattainment Areas for Criteria Pollutants Region 6 Homepage Other Air Quality Links AAA - Texas Automotive Maintenance Air Now - Smog Who Does It Hurt? Air & Waste Management Association Earth 911 South Coast Air Quality Management District South Coast Air Quality Management District - For Students