Data and Forecasts courtesy of:
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 Action Day
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Air Quality Index (AQI)
observed at 8:00 PDT
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Health Message: People with heart or lung disease, older adults, and children should avoid prolonged or heavy exertion. Everyone else should reduce prolonged or heavy exertion. |
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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| Air Quality Index (AQI) |
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Unhealthy for Sensitive Groups |
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Health Message: People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion. |
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| Air Quality Index (AQI) |
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Unhealthy for Sensitive Groups |
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Health Message: People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion. |
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Forecast Discussion: Monday morning update: Less smoke this morning in many areas currently, but the South Puget Sound area is still seeing UNHEALTHY amounts of smoke this morning, possibly due to the fire on Highway 18 yesterday. Winds today may help thin that smoke out. We still expect more smoke to come over the Cascade Mountains this afternoon, but models are unclear on how much we'll get on the surface. We forecast levels UNHEALTHY FOR SENSTIVE GROUPS through most of our region for this afternoon. Smoke may go up and down, but average UNHEALTHY FOR SENSITIVE GROUPS through Wednesday. We'll keep this forecast updated as conditions change. |
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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)
Tribal Boundaries
