Based on NOAA satellites, the smoke and fires seem to end in Oregon, but I don't doubt that this may extend up to BC in no time. https://www.star.nesdis.noaa.gov/GOES/sector_band.php?sat=G1...
No, your view window ends in Oregon. I don't know how one is supposed to determine anything about what's going on in Washington state from that link. Here's a more useful link for the doubtful: