People gather at the waterfront in haze in downtown Vancouver, British Columbia, Canada, Aug. 26, 2023. The Metro Vancouver continued an air quality advisory for the metro Vancouver region on Saturday due to high concentration of fine particulate matter caused by smoke from wildfires spreading across British Columbia. Photo: Xinhua
A man is seen with buildings shrouded in haze in downtown Vancouver, British Columbia, Canada, Aug. 26, 2023. The Metro Vancouver continued an air quality advisory for the metro Vancouver region on Saturday due to high concentration of fine particulate matter caused by smoke from wildfires spreading across British Columbia. Photo: Xinhua
A citizen wearing a face mask is seen at the waterfront in haze in downtown Vancouver, British Columbia, Canada, Aug. 26, 2023. The Metro Vancouver continued an air quality advisory for the metro Vancouver region on Saturday due to high concentration of fine particulate matter caused by smoke from wildfires spreading across British Columbia. Photo: Xinhua
Buildings are shrouded in haze in downtown Vancouver, British Columbia, Canada, Aug. 26, 2023. The Metro Vancouver continued an air quality advisory for the metro Vancouver region on Saturday due to high concentration of fine particulate matter caused by smoke from wildfires spreading across British Columbia. Photo: Xinhua
People gather at the waterfront in haze in downtown Vancouver, British Columbia, Canada, Aug. 26, 2023. The Metro Vancouver continued an air quality advisory for the metro Vancouver region on Saturday due to high concentration of fine particulate matter caused by smoke from wildfires spreading across British Columbia. Photo: Xinhua