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Air quality advisory for southern Lake County, Detroit Lake area and Diamond Lake area


Location: Lake County and parts of Douglas, Linn and Marion counties

End date: Friday afternoon

Smoke source: Fires in Oregon and Northern California

The Oregon Department of Environmental Quality issued an air quality advisory Monday for southern Lake County, the Detroit Lake area and Diamond Lake area due to smoke from fires in Oregon and Northern California.

** Información en español **

The following areas are under advisory:

·                  Southern Lake County, including Lakeview, until Friday afternoon due to fires in Oregon and Northern California.

·                  Eastern Linn and Marion County, particularly near Detroit, until Friday afternoon due to the Bull Complex Fire.

·                  Eastern Douglas County, particularly near Diamond Lake, until Friday afternoon due the Devil’s Knob Complex Fire and the Rough Patch Fire.

Daily smoke forecasts for Southern OregonKlamath Falls and Lane and Deschutes counties are available from the US Interagency Wildland Fire Air Quality Response Program. These forecasts provide estimates of what times of day smoke might be better or worse in those areas.

Smoke levels can change rapidly depending on weather. Thunderstorms are in recent forecasts, which may bring lightning or rain and either add to or lessen fire activity. Check current conditions on the Oregon Smoke Information Blog, DEQ’s Air Quality Index, or by downloading the free OregonAIR app on your smartphone.

Smoke can irritate the eyes and lungs and worsen some medical conditions. People most at risk include infants and young children, people with heart or lung disease, older adults and pregnant women.

Protect yourself and your family when smoke levels are high:

  • Stay inside if possible. Keep windows and doors closed.
  • Avoid strenuous outdoor activity and recreation.
  • Use high efficiency particulate air (HEPA) filters in indoor ventilation systems or portable air purifiers. Or create your own air purifying filter by following these instructions.
  • Be aware of smoke in your area and avoid places with the highest levels.
  • If you have heart or lung disease or asthma, follow your healthcare provider’s advice.


Cloth, dust and surgical masks don’t protect from the harmful particles in smoke. N95 or P100 respirators approved by NIOSH may offer protection, but they must be properly fitted and worn. They won’t work for everyone, especially children. People with heart or lung conditions should consult their doctor before wearing a respirator. Get more information about protecting your health during wildfires.

To find a cleaner air space in your area: Visit, click “Find Resources” and search in the Community Resource Database for “Wildfire Related Clean Air Shelters.” Or call 211 or 1-866-698-6155, 24 hours per day, 7 days per week.

Media contacts:

·        Oregon DEQ:  Dylan Darling, 541-600-6119,

Smoke rises from smoldering large logs on Sept. 12, 2021, in the Devil's Knob Complex Fire southeast of Roseburg. Photo credit: Devil's Knob Complex Fire/Inciweb.