Smoke from wildfires drastically lowered air quality in several cities across Washington state as record-breaking fires burned along the US west coast. This September 11 footage shows Bothell, Washington, shrouded in smoke. According to data from the government-run website AirNow, Bothell’s air quality was rated "unhealthy” on September 12. MyNorthwest reported that most of western Washington was experiencing “very unhealthy to hazardous conditions.” Credit: Joel Wallis via Storyful