Portland remains in the number one spot for poor quality air Monday. The biggest city in Oregon and nearby Seattle are the top cities in the world for air pollution. Portland reached levels considered ...
PORTLAND, Ore. (KOIN) — Across the state, Oregon’s air is getting harder to breathe. The number of days the air quality index was unhealthy for sensitive groups increased in all parts of the state ...
PORTLAND, Ore. (KOIN) — Warmer temperatures and abundant sunshine continue to build across the Pacific Northwest this week, but sensitive groups should avoid extensive time outside. Air quality ...
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