Wildfire smoke expected in Seattle

• Then, a shift in wind direction is predicted to bring several days of smoke from Oregon and California into Western Washington, he said.

Threat level: Because the smoke is expected to remain at higher levels of the atmosphere, the initial impact is likely to be bright sunsets and hazy conditions in the mountains, Michael Fagin of West Coast Weather told Axios.

• But air quality could drop to moderate or worse, according to Puget Sound Clean Air Agency.
• That depends, in part, on how much smoke comes out of Oregon, how high the plumes get and the speeds of the wind, Cullen said, all of which are difficult to anticipate.

What they're saying: "The big question is whether the smoke will stay aloft or reach the surface," Cullen said.

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