Back to Ground Level Ozone Information Page
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EPA has developed AIRNow to provide current regional and national forecast information on ozone and particle pollution concentrations and information for all walks of life; children, students, adults, professionals, and senior citizens. |
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EnviroFlash is a free service that provides you with information about the air quality in the location of your choice via a daily email. |
What do the AQI colors mean?
| Air Quality Index (AQI) |
AQI Color Code |
Cautionary Statement |
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No health effects are expected. | |
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Unusually sensitive people should consider limiting prolonged outdoor exertion. | |
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Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. | |
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Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion. | |
| Very Unhealthy | Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion. |
Note: Higher AQI values are expected in 2008 due to the recent ozone standard revision. While South Carolina air quality continues to improve, the AQI has been strengthened to be more protective for sensitive population groups.
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