Ozone Action Days — What they mean, and what you can do to minimize air pollution in Central Texas

We are all familiar with the term “Ozone Action Day” and typically associate it with a hot summer day. But what does it really mean? It means that sunlight is interacting with VOCs and oxides of nitrogen (NOx) (from car emissions and other sources) to create unhealthy air. Deanna Altenhoff explains how you can protect yourself and help Central Texas reduce this problem.