| Forecast
Key The Partnership forecasts use the color-coded Air
Quality Index (AQI) scale to inform people about the predicted ozone and
fine particulate matter levels and any precautions that need to be taken. What
the Colors Mean to You
|
Color |
Description |
Meaning | |
Red |
Unhealthy |
Everyone should limit exertion outdoors. |
|
Orange |
Unhealthy for
Sensitive Groups |
Sensitive people should limit exertion outdoors. |
|
Yellow |
Moderate |
Extremely sensitive people may wish to limit outdoor exertion. |
|
Green |
Good |
No health impacts are expected in this range. |
| White | No
Forecast | |
Color, AQI, and Pollutant Concentrations
|
Color |
AQI |
Ozone Concentration* |
PM2.5
Concentration** |
|
Red |
151-200 |
96-115 |
65.5-150.4 | |
Orange |
101-150 |
76-95 |
35.5-65.4 | |
Yellow |
51-100 |
60-75 |
15.5-35.4 | |
Green |
0-50 |
0-59 |
0-15.4 |
*ppb = parts per billion
**ug/m3 = micrograms per cubic meter | |  |
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