Who is at Risk?

Sensitive Groups for High Ozone

While as recently as 2013, ozone levels in the region were high enough to be considered "unhealthy" for the general public, more commonly, the region's ozone levels are high enough to be considered by the U.S. Environmental Protection Agency (EPA) to be "unhealthy for sensitive groups." These sensitive groups include:

  • Children (under 18), including teenagers, because their lungs are still developing and they breathe more air per pound of body weight than adults
  • Older adults (65+)
  • Other adults (18-64) with lung diseases such as asthma
  • People who are active outdoors, including outdoor workers

Health Effects from Ozone

​Ozone can cause a number of health problems, including coughing, breathing difficulty, and lung damage. Exposure to ozone can make the lungs more susceptible to infection, aggravate lung diseases, increase the frequency of asthma attacks, and increase the risk of early death from heart or lung disease. EPA Air Quality for Ozone

Help Reduce Pollution Exposure on High Ozone days

You can use the Air Quality Index (AQI) forecast for ozone in order to plan outdoor activities if you are in one of these groups or take care of someone else in one of these groups.

  • Choose a less-strenuous activity
  • Take more breaks during outdoor activity
  • Reschedule activities to the morning or to another day
  • Move your activity inside where ozone levels are usually lower

You can "Be Air Aware" by signing up for daily air quality forecasts from TCEQ and downloading EPA's "AirNow" app on your mobile device.

Stats on Sensitive Groups in Central Texas

While the term "sensitive groups" may sound as if air pollution only affects a small number of people, the groups who are vulnerable to high air pollution made up more than 1 out of every 3 residents of Central Texas in 2015.

  • At least 766,014 residents are considered "sensitive" to high Ozone in the region
    • 479,353 children
    • 196,764 older adults
    • 89,897 other adults 18-64 with asthma (5.5-8.3%, depending on the age group)

*Data sources: