The National Weather Service issued an air stagnation alert for the Oregon Lower Treasure Valley on Sunday at 7:01 a.m., which will remain in force until Friday at 8 p.m.
According to the meteorological service, visibility in severe fog is less than a quarter mile during the severe Fog Advisory. A prolonged stretch of stagnant air with light winds and minimal vertical mixing is the basis for the Air Stagnation Advisory in valleys. This is because contaminants may be trapped by an inversion close to the surface.
“Those who have respiratory disorders may experience complications as a result of poor air quality. Driving conditions could be dangerous due to low visibility, the weather agency said. “If you’re driving, use your headlights, slow down, and give yourself plenty of space. State air quality organizations strongly advise against outdoor burning and to minimize the number of wood-burning equipment in homes. Long stretches of stagnant air can trap pollutants near the ground where people live and breathe, according to state air quality regulators. For information on any current limitations in your area, contact your local burn agency.
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