The wildfire smoke is apparently worse than it was last year, according to https://secure.pscleanair.org/airgraphing
Might be a good time to check out the Puget Sound Clean Air Agency alert. It has advice for what kinds of masks to buy and such. https://www.pscleanair.org/DocumentCenter/View/3373/08-15-2018_WildfireSmoke_PressRelease