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‘Unhealthy’ air quality in Portland, Vancouver metro areas due to wildfire smoke
Hazardous air quality puts everyone at risk, experts say
Vancouver Smoke: Canada Issues Air Quality Advisory Due to Fires
Portland under air quality advisory from local, Canada wildfire smoke
Smoke-fog is upon us: ‘Unhealthy’ air quality and fog combine in Portland
Most of Oregon is under an air quality advisory because of wildfire smoke
Unhealthy air quality in Portland and Vancouver
Trying to stay healthy amid poor air quality
Wildfire smoke shifts south, putting more cities in air quality danger zone
Air quality advisory issued for Portland area due to smoke, ozone
Smoky skies bulletin, air quality advisories issued for Vancouver Island due to wildfires
Smoke from distant wildfires makes Portland hazy
