The outdoor street fair portion of First Thursday has been canceled Aug. 6 due to poor air quality, according to Urban Art Network. Many Pearl District galleries will still open their doors for their usual monthly art walk event, a hallmark of Portland’s art community since 1986. However, with the current air quality forecast and the health concerns surrounding prolonged outdoor exposure, we believe canceling is the most responsible choice for our artists, volunteers, patrons, neighborhood businesses, and partners.” Portland had the worst air quality in the world at one point on the morning of Aug. 5 out of the 125 global cities listed on international air quality ranking site IQAir. As of publication, Portland had dropped to No.