NOTE: Air quality is variable and dependent upon a number of factors including; sunlight, temperature, wind speed and direction. Like the weather, it can change from day to day or even hour to hour. Click here for more information on the many variables that impact the ADEQ Daily Ozone Forecast.
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The goal of Ozone Action Days is to provide simple information to make healthy decisions about your outdoor activity. If you have compromised respiratory health, asthma, or care for the elderly or small children or are simply concerned about the quality of air you breathe, read the information below and plan your day accordingly.

A quick guide to the Ozone Action Days colors.

If you see RED, that means there is an Ozone Alert indicating that prolonged outdoor exertion is unhealthy for everyone. It doesn't mean you can't go outdoors, just keep it brief and be smart.

If you see ORANGE, that means there is an Ozone Advisory, indicating that prolonged outdoor exertion is unhealthy for sensitive groups such as children and people with asthma. Again, you can leave the house, just limit exertion and exposure.

If you see YELLOW, that means that only the most sensitive groups should avoid prolonged exposure. Everyone else can enjoy outdoor activities without limitations.

GREEN means go. There is no risk for prolonged outdoor activity for any segment of the population.

Click here for a color-coded breakdown of the Air Quality Index that guides the daily Ozone Action Days designations.

For more information about Ozone Action Days and your health, click the links below.
Ozone is the main ingredient of urban smog and can be hazardous to your health. Even at low levels, ozone can cause a number of respiratory effects, especially in sensitive individuals or with repeated exposure. In central Arkansas, Ozone Action Days are declared whenever high concentrations of ground-level ozone are forecast.

Q. Is it hazardous to go outside on an Ozone Action Day?

Q. How do people find out when there is an Ozone Action Day?

Q. What is the difference between an Ozone Advisory and an Ozone Alert?

Q. What should be done if the Ozone Forecast is code purple?

Q. Who is at risk from exposure to ground-level ozone?

Q. How can high ozone levels affect your health?

Q. Are there always symptoms?

Q. When are high ozone concentrations usually the worst?

Q. How can you avoid unhealthy exposure to ozone?
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