Four ways to protect your health indoors on days like this.

We’re tracking another air quality alert and Ozone Action Day in Houston, Galveston, and Brazoria areas. Ozone is vital for blocking UV rays in the upper atmosphere, but at ground level, it harms our air, health, and environment.

The easiest way to understand it is that ozone is great for blocking UV rays up high, but when it’s down at the surface, it messes with our air, health, and nature.

An Air Quality Advisory has been issued for portions of Houston on Wednesday. Here’s what this means and what you can do to protect your health

Houston, Galveston, and surrounding areas are on Ozone Action Day.

Foggy start Tuesday with a hot afternoon.