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AIR QUALITY GUIDE FOR OZONE
During ozone season, which runs from April 1st through September 30th, meteorologists use the color-coded chart below to forecast air quality. Called the AQI (air quality guide), the chart indicates the ozone levels and the health impacts of each.
Forecast Color Code |
Air Quality Index |
Health Impact |
Good |
0-50 |
No health impacts are anticipated on green days.
|
Moderate |
51-100 |
People sensitive poor air should limit their time outdoors.
|
Unhealthy for Sensitive Groups |
101-150 |
Air Quality Alert: The air is forecasted to be unhealthy for outdoor activities. Elderly, children and those with respiratory problems should stay indoors.
|
Unhealthy |
151-200 |
Air Quality Alert: Everyone should limit outdoor activities.
|
Very Unhealthy |
201-300 |
Air Quality Alert: Everyone should stay indoors. |
Air Quality Forecast Sources:
You will see or hear the air quality forecasts from the local media on Air Quality Alert Days. You will also see alert messages on the highway message boards. To receive a daily Air Quality forecast by e-mail from the Alabama Department of Environmental Management, go to http://www.enviroflash.info/signup.cfm and register.
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