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Aug. 10 Air Quality Report for Rail Fire -- Weather and Smoke Synopsis

Somewhat warmer today as the upper low finally exits the Pacific Northwest.  High pressure starts moving over the Pacific Northwest Thursday with a warming and drying trend through Saturday.  Winds will be variable becoming northwest 6-10 mph around 1600.  Surface inversion lifting around 1000 hours today. Moderate fire behavior is expected today due to warmer temperatures and lower humidities.  Fire grew approximately 686 acres with most of the growth in the unburned pockets in the interior of the fire.  Unity may have smoke settling in the evening and into the morning. Baker City, Burns, John Daly, Prairie City and Vale will have Good smoke levels today. Expect a clearing overnight with smoke settling into drainages.
Air Quality Outlook
Sites with air quality monitor
Site
Yesterday
Today
Tomorrow
When smoke may be worse
John Day
Good
Good
Good
Expect Good smoke levels today.  
Baker City
Good
Good
Good
Expect Good smoke levels today with hazy skies this evening.
Burns
Good
Good
Good
Expect Good smoke levels today.
Sites without a monitor
Site
Today
Tomorrow
When smoke may be worse
Unity
Good
Good
Expect Good smoke levels today with possible Moderate in the evening and into the early morning.
Prairie City
Good
Good
Expect Good smoke levels today.
Vale
Good
Good
Expect Good smoke levels today.
Disclaimer: Conditions may change quickly. These predictions are based on anticipated weather and fire activity. AQI estimates for sites do not represent a full 24-hour time period.  Instead they reflect a period of time within the day where smoke impacts would be greatest.
Air Quality Index (AQI) Levels of Health Concern

ACTIONS TO PROTECT YOURSELF
Good
None
Moderate
Highly smoke sensitive people should consider reducing prolonged or heavy outdoor exertion.
Unhealthy for Sensitive Groups  (USG)
People within Sensitive Groups* should reduce prolonged or heavy outdoor exertion.  Everyone else may find relief by limiting prolonged or heavy outdoor exertion.
Unhealthy
People within Sensitive Groups* should avoid all physical outdoor activity.  Everyone else should avoid prolonged or heavy outdoor exertion.
    *Sensitive Groups include those with heart or lung disease, children, pregnant women and older adults
    
    Incident Air Resource Adviser Contact: Ariane Sarzotti (ariane_sarzotti@nps.gov
 
    Find the latest information on air quality here.