These ozone reducing steps really work Small steps are proven to reduce ground ozone pollution – drive less, don't drive or fuel up during the day and bike or walk to work. Author: Cory Reppenhagen Updated: 10:09 AM MDT July 27, 2021 DENVER — When the ozone levels are forecast to rise to unhealthy levels, an Ozone Action Day is issued. It's called an ozone "Action" day because health officials hope that everyone will take some action to protect themselves from ozone, and also to help reduce ozone levels. “We should all be looking for ways to avoid putting ozone causing emissions into our air,” said Sara Goodwin with the Regional Air Quality Council (RAQC).