It's been a week since Metro Vancouver issued an air quality advisory and, according to CBC meteorologist Johanna Wagstaffe, the smoke will likely remain thick for the next couple of days on the South Coast.
The sun is seen through smoky air as it sets Sunday, Aug. 19, 2018, behind the Narrows Bridge in Tacoma, Wash.
The air quality in the Pacific Northwest is so poor due to wildfire smoke that we're now being told not to vacuum our carpets.
Forrest Tower, an information officer with the BC Wildfire Service, said smoke preventing aerial reconnaissance and firefighting operations was the "biggest struggle" for crews on the front lines. Simon said he won't let the kids ride as far or take part in as many running games like tag while the air quality is bad. Those groups are advised to avoid strenuous exercise, and avoid being outdoors at all if possible.
Air quality is expected to worsen throughout the day.
A narrow but thick band of wildfire smoke originating from British Columbia is now over central and northeast Minnesota this morning.
The poor air quality can be especially risky for people with preexisting heart conditions. "We may even see a few raindrops on Sunday".
Kathy, from Skyway, sent this photo in Monday night, says her auto picked up a dusting of ash.
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.
There are 17 large fires burning on more than 300,000 acres across Washington and OR with about 8,200 fire personnel deployed, according to the Northwest Interagency Coordination Center.
The Minnesota Department of Health said in a 2015 report that air pollution like that from wildfires - specifically, small particulates - contributed to more than 2,000 deaths and 600 emergency room visits in 2008 alone. "It's substantial. Air quality definitely has an impact on public health".
An Air Quality Alert remains in effect until 5 p.m. on Wednesday for the western half of Washington state.
Showers and storms will be widespread by this afternoon into this evening.