This site is an effort by many city, county, tribal, state and federal agencies to coordinate and aggregate information for Oregon communities affected by wildfire smoke. The information is posted here by the agencies themselves while volunteers built and are maintaining the page.
Oregon Smoke Information
The map above is not able to show all state air quality monitors. To see the whole set, go to the Air Quality Now tab below and click on DEQ's Air Quality Index which will bring up a map with many additional state monitors. Round icons represent permanent state air quality monitors, triangular icons represent temporary smoke monitors (when deployed).
DEQ nephelometer readings are
indicating the presence of significant smoke in Sisters, Bend, and Crater Lake,
with elevated smoke levels as far south as Klamath Falls.Satellite imagery is detecting a smoke plume
extending southward, from the “Two Bulls Fire,” across south-central Oregon;
turning southeastward across NE California, northern Nevada, and into western
Wildfire smoke dispersion depends on the stability
of the atmosphere as well as wind direction and speed. A stable atmosphere
holds smoke to the ground and an unstable atmosphere allows smoke to rise and dissipate. Smoke is typically mixed to higher
altitudes during the afternoon, when daytime heating destabilizes the air mass.
Conversely, smoke tends to settle near the ground and in drainages during the
overnight and early morning hours.
A stable NW flow aloft is continuing to bring dry weather
to the region.Transport winds are
generally NW-N across central Oregon; veering to the N-NE across south-central
Oregon. However, local SE-SW transport winds are also pushing smoke from the
“Two Bulls Fire” get into Sisters, Oregon.Areas of smoke will likely continue from near Sisters to Bend; southward
to Klamath Falls this afternoon and evening, with the heaviest smoke
concentrations nearest to the active fire.Stabilization of the air mass tonight could also lead to locally
increased levels of smoke, as inversions form; trapping smoke near the
A dry and stable NW flow aloft should to continue to
produce generally NW transport winds during the daytime periods with local
drainage flows becoming more dominant in the overnight periods.This will lead possible air quality impacts,
in all directions, in the immediate proximity of the “Two Bulls Fire;” possibly
extending SE-SW of the wildfire to the California border.
A stronger weather system is forecast to come onshore
Thursday; bringing cooler temperatures, increasing W-NW winds, and a threat of
showers and thundershowers to central Oregon.