The National Weather Service issued an updated air stagnation advisory for the West Central and East Central Willamette Valleys on Wednesday at 7:43 p.m., which will remain in place until Thursday at 10 a.m.
“Light winds and limited air movement will lead to a period of stagnant air conditions,” the weather agency warns.
The weather service warns that “people with respiratory problems may experience problems due to declining air quality.”
United Robots offers a service called Advance Local Weather Alerts that gathers the most recent information from the National Weather Service using machine learning.
