SIOUX FALLS, S.D. (KELO) — The Big Sioux River’s water quality has decreased from over 50 percent rating in 2020 to under 25 percent in 2022. Currently, the river has F ratings for water clarity as ...
Mild weather is expected this week. As inversions redevelop, valley haze builds & air quality decreases. A weak storm drops in late this week, but likely only brings light precip. to the south.
PORTLAND, Ore. (KOIN) — Western Oregon and southwest Washington’s air quality will likely decrease Wednesday as western wildfires continue to burn. Portland area air quality will likely worsen ...
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