Updated 9:50 a.m., Friday, Sept. 18

Air quality is quickly improving in much of the state and across the Portland metro region, but we are not breathing healthy air yet. Particulate matter concentrations from wildfire smoke have plummeted. We are currently seeing the lowest hourly readings since the morning of September 10th. 

Yesterday’s 24-hour particulate matter average was 175 micrograms per cubic meter (ug/m3), decreasing to the lowest concentrations since Sept. 11.

Expect unhealthy air to remain across much of the county today. Wait to open windows and doors until air monitors show yellow “Moderate” air quality in your area. Check conditions on Oregon Smoke Blog and download the OregonAir phone app.

Closures in Multnomah County

  • Multnomah County has closed almost buildings and offices for Sept. 14-18. Some health centers, the District Attorney's Office and the Courts are open. Essential and teleworking employees work as usual. 

  • The City of Portland has closed all city-owned outdoor areas and natural spaces including Forest Park, Mt. Tabor and other city parks until at least Sept. 24. [View closure information]

  • Oregon State Parks has closed parks along the Columbia River Highway from Larch Mountain to Ainsworth, including Angels Rest and Mt. Defiance at Starvation Creek. [View closure information]

  • The United States Forest Service has closed the Columbia River Gorge National Scenic Area and all recreation areas except: The Sandy River Delta, Multnomah Falls, Wyeth Campground, the Lower Klickitat and Lower White Salmon While Scenic rivers. [View closure information]

Other information

Clackamas County: Clackamas County issued a state of emergency as it responds to wildfires. Find information here.

Washington County: Find details about safety and health for residents in Washington County. Road closures here

Trip Check: Before you travel, Check road closures across the state road closures.


Anyone needing access to a Red Cross shelter because of the wildfires should contact the Red Cross at 877-272-7337 or visit the Red Cross Disaster Shelters locator. The Red Cross shelter at the Oregon Convention Center closed Sept. 16.

Anyone seeking shelter for someone experiencing homelessness or helping someone obtain shelter should call 2-1-1 first to see where space is available and to arrange transportation.

Shelter is offered for anyone who is experiencing homelessness and needs respite from smoke at: 

Track air quality, fires

Oregon Smoke Blog: Local, state, tribal and federal organizations coordinate to share information about wildfires and smoke.

Oregon Air Quality map: The Department of Environmental Quality updates a map of current air quality. Due to high traffic, the site can slow or crash. The sites below offer good alternatives.

EPA Air Quality map: The Federal Environmental Protection Agency pulls real-time air quality data from Oregon and Washington States. 

State of Oregon Fires Map: The Oregon Office of Emergency Management updates a map of active fires, air quality and closures.

Washington State Fires Map: The Washington State Emergency Operations Center updates a real-time map of fires and air quality.

Washington State Air Quality Map: The state’s Department of Ecology maintains a real-time map of air quality.

Track power outages

PGE: Current power outages reported by PGE in Multnomah County

Pacific Power: Current power outages by Pacific Power in Multnomah County