The National Weather Service issued an updated air stagnation advisory for the Tualatin Valley, Lower Columbia River, and North Oregon Coast Range Lowlands on Thursday at 2:47 a.m., which will remain in force until Tuesday at 4 p.m.
“For the Dense Fog Advisory, visibility of one quarter mile or less in dense fog, and freezing fog in spots across rural areas,” the weather service writes. A prolonged inversion with light and changeable winds may result in a period of stagnant air conditions, often known as the Air Stagnation Advisory. Over time, this situation can cause air contaminants to accumulate close to the surface.
“Those who have respiratory disorders may experience complications as a result of poor air quality. The weather service warns that driving conditions could become dangerous due to low visibility. “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. When there is a high degree of air pollution during times of stagnant air, people with respiratory illnesses should heed their doctor’s advise, particularly if your location is under an Air Quality Alert. As an alternative, you could enter your location in the search bar located on the homepage’s upper-left corner. If there is an Air Quality Alert for your area, it will be displayed at the top; if so, you can click on it to view further information. When driving, reduce your speed and give yourself plenty of space. To improve their chances of being noticed by others in low visibility situations, cyclists and pedestrians can dress in reflective or bright clothes.
United Robots offers a service called Advance Local Weather Alerts that gathers the most recent information from the National Weather Service using machine learning.
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