Air Quality Summary - August 21, 2013
Incident: Big Windy Complex Wildfire
Air Quality Summary: Tuesday’s air quality levels in SW Oregon remained in the Good to Moderate range. Average concentrations of fine particulate matter (PM2.5) from yesterday, August 20 (midnight-midnight) are shown below with the corresponding level of health concern. Most of the smoke is coming from the Big Windy complex and the Whiskey complex. The Douglas and Labrador fires saw little smoke production. Northerly winds at the surface kept the smoke out of the I-5 corridor through most of the day, except for a short period of smoke in Medford.
Air Quality Forecast: Smoke conditions today are expected to be very similar to yesterday. Burnout operations on the Big Windy Complex are scheduled to continue as firefighters work on securing fire lines. Some burning of pockets inside the containment lines is occurring on the Whiskey Complex. The approaching low pressure system off the coast of California will bring scattered thunderstorms into the area today, with the main system arriving tomorrow and clearing out on Friday.