She said the use of portable air cleaners has been associated with better lung function, lower blood pressure, and reduced inflammation in children and adults. The agency recommends everyone stay indoors as much as possible. The advisory runs through 5 p.m. on Wednesday.
Air quality in Spokane has tipped into the "very unhealthy" range, and regional air quality monitors caution anyone, regardless of health, from exerting themselves out of doors.
It's the second time in a week smoke from wildfires has pushed the state's air quality into risky level.
It's a rare occurrence that also happened past year, raising concerns for many locals that it may become normal during wildfire season.
"That smoke is just sitting down in some areas, and I think that's what's going on in Lake Forest Park", he said.
Thick smoke from wildfires raging in British Columbia, Canada, and in the eastern portion of the state is expected to spread into western Washington starting Sunday.
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"The levels we're seeing right now are ten to 20 times higher than the particle levels we would normally expect to see, and in some isolated cases, even higher than that", says Francis Ries, a Senior Project Engineer with Metro Vancouver.
"Wildfire smoke is a natural part of our environment but it is important to be mindful that exposure to smoke may affect your health".
If you're anxious about the air quality in your home and don't already own an air purifier, you can build one for less than $20 if you have a box fan.
They also have just 19 out of possible flawless 100 on a worldwide air pollution index called the Breezometer. This means no outdoor burning in King, Pierce, Snohomish, and Kitsap counties, including charcoal barbeques, campfires or bonfires, and fire pits or similar free-standing devices.
Showers and storms will be widespread by this afternoon into this evening.