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Weather forecast: Air quality expected to improve in Portland today
Portland’s ‘moderate’ air quality is expected to improve as weather changes
Weather forecast: Air quality has improved in Portland and the forecast feels like fall
Air quality expected to get worse
Smoke in Portland, Western Oregon expected to clear at the end of the week
Air quality improves over Portland Monday
Unhealthy air quality in Portland and Vancouver
Portland's air quality rated 4th worst in the world
Weather forecast: Oregon wildfires create air quality issues under an orange sky
Weather forecast: Hazardous air quality continues Monday with some improvements in sight
Weather forecast: Air quality improvements and a cooler day coming our way in Portland
Wildfire Smoke Leaves Pacific Northwest With Worst Air Quality In World
