The Texas Commission on Environmental Quality (TCEQ) declares Sunday, April 3, is an Ozone Action Day for the Austin metropolitan area, meaning the air quality is unhealthy for sensitive groups. Please limit your driving to before 8 a.m. especially avoiding use of vehicles between 9 a.m. and 11 a.m. and after 5 p.m. Also, fuel up your cars and trucks early in the morning or at night. Don't idle your vehicle. Carpool or take public transportation.