The National Weather Service issued a revised air stagnation alert for the Oregon Lower Treasure Valley, Harney, Baker, and Malheur counties on Tuesday at 12:27 p.m., which is in force until Friday at 10 a.m.
“A prolonged period of stagnant air, with light winds and little vertical mixing,” the weather agency warns. This is because pollutants will continue to be trapped by an inversion close to the surface.
According to the weather service, “people with respiratory problems may experience problems due to poor air quality.” “Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air.”
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