Data and Forecasts courtesy of:
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 Action Day
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Air Quality Index (AQI)
observed at 6:00 EDT
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Health Message: None |
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here. |
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| Ozone |
45
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Good |
| Particles (PM10) |
7
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Good |
| Particles (PM2.5) |
16
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Good |
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| Air Quality Index (AQI) |
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Good |
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Health Message: None |
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| Air Quality Index (AQI) |
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Good |
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Health Message: None |
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Forecast Discussion: Southerly winds in conjunction with mostly cloudy skies have trapped remnant elevated ozone levels close to the surface and along areas east of the Appalachians to keep air quality levels in the low Code YELLOW range today. Chances of rain increase tonight as an upper level low pressure system moves in from the Central Plains towards the eastern United States. This upper level low will provide the forcing mechanism to produce widespread showers across the Triad Monday and Tuesday to drop ozone and particle pollution levels into the low to middle Code GREEN range. Skies are expected to gradually clear on Wednesday as the upper level low axis passes east of the Triad, aiding in the elevation of ozone levels into the middle to upper Code GREEN range. (Payne) |
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AQI: Good (0 - 50)
AQI: Moderate (51 - 100)
AQI: Unhealthy for Sensitive Groups (101 - 150) 
AQI: Unhealthy (151 - 200) 
AQI: Very Unhealthy (201 - 300)
AQI: Hazardous (301 - 500)
National Parks/Monuments
