Thursday, September 11, 2014 Klamath NF 24- hr Smoke Summary

Yesterday Winds pushed smoke to the southwest much of the day. Smoke pooled into the Klamath River valley in the late morning and afternoon hours and remained in high concentrations for several hours. Smoke entered the Scott and Shasta Valleys in the late afternoon. Today A change in wind directions is forecast for today and smoke is going to be pushed to the north with low dispersion.  Smoke will pool into valleys and be highest in the Klamath River valley with reduced visibility on Hwy 96. Scott and Shasta Valley will likely see a reduction in air quality today. Communities in the lower Klamath River, Trinity, and Salmon drainage should start to see an improvement in air quality. Tomorrow Conditions are forecast to be similar to yesterday as smoke will be pushed north again. Communities southwest of the fires should see more improvement.  Smoke concentrations are likely to remain high in the Klamath River drainage north of the fires. Visibility on Hwy 96 may be reduced for much of the day with some reduction on Hwy 3 and I-5.
Site	September 10 Yesterday’s AQI	September 11 Today’s AQI	September 12 Predicted AQI	Likely Time of Highest Impacts Today
Yreka	Moderate	Moderate	Moderate	Afternoon/Early Evening
Ft. Jones	Moderate	Moderate	Unhealthy for Sensitive Groups	Early Afternoon
Etna	Moderate	Moderate	Unhealthy for Sensitive Groups	Morning/Early Afternoon
Macdoel	Good	Good	Moderate	Afternoon
Seiad Valley	Unhealthy	Very Unhealthy	Very Unhealthy	Early Afternoon
Happy Camp	Moderate	Unhealthy	Unhealthy	Morning
Somes Bar	Unhealthy for Sensitive Groups	Moderate	Unhealthy	Morning
Orleans	Unhealthy for Sensitive Groups	Moderate	Moderate	Late Morning/Early Afternoon
Weitchpec	Moderate	Moderate	Good	Afternoon
Hoopa	Moderate	Moderate	Good	Morning/Early Afternoon
Willow Creek	Moderate	Good	Good	Early Afternoon
Mt. Shasta	Good	Good	Good	Afternoon
Weed	Good	Moderate	Moderate	Evening
Sawyers Bar	Unhealthy	Unhealthy for Sensitive Groups	Moderate	Late Morning
PLEASE NOTE: The air quality outlook is based on data from automated instruments that have not been subjected to a quality assurance review. AQI’s estimated for sites with air monitors.