If you sign up to receive an Ozone Alert! e-mail, you will be notified the day before the Alert day. Typically, an alert is called by 3 p.m. the day preceding the Ozone Alert! day. Please be assured that INCOG and the Tulsa Area Ozone Alert! Program never sell or disclose e-mail databases. To receive an Ozone Alert! e-mail notification, type your email address into the space provided below and click “Subscribe.”