Areas such as Squamish, Whistler, Nanaimo/Parksville and Castlegar also have a 10-plus air-quality rating. Air pollution monitors show fine particulates greater than an air quality index value of 101 in this area, a measurement considered unhealthy for sensitive groups. Current air quality levels in Darrington are UNHEALTHY for everyone.
The service says air quality in Western Washington is expected to worsen starting Sunday.
The pollution is expected to last until Wednesday.
Unhealthy air-quality will be common at times thanks to the large wildfires now burning across the region.
Monday night... Showers likely with areas of smoke.
The entire province of Manitoba is under somewhat hazy skies and Environment Canada has issued an air quality alert. Other nearby regions have been in the "very unhealthy" to "hazardous" range.
Health officials are advising people to reduce or completely avoid strenuous outdoor activities.More news: Social media tributes flow for the late, great Aretha Franklin
More news: Parker Solar Probe launches Saturday on mission to 'touch' the sun
More news: News 10 one on one with Gretchen Whitmer
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 Clean Air Agency is urging everyone to stay indoors as much as possible and keep windows closed.
A new mobile app from The Oregon Department of Environmental Quality allows you to have information about your area's air quality conditions at your fingertips.
The app pulls data from local air quality measuring stations to come up with the calculations.
The air quality issues have forced many closures and cancellations in Spokane.
Children, the elderly, and individuals with respiratory illnesses are most at risk of serious health effects.