Stagnant Winter Pattern Could Worsen Air Quality in the West
• A stagnant winter weather pattern is expected to bring warm, dry, and sunny conditions to the Western US and Southwestern Canada, raising concerns about air quality.
• The calm weather conditions may lead to the formation of persistent fog, particularly in valleys like California’s Central Valley, trapping pollutants and worsening air quality.
• A shift toward a more active weather pattern later in the week may help clear the fog and improve air circulation, providing relief from the air quality concerns.
Warm weather raises air quality concerns
A persistent weather pattern is expected to bring sunny, dry, and unusually warm conditions across much of the western United States and southwestern Canada through the week, raising concerns about air quality deterioration. With the jet stream pushed far north, storms are being diverted away from the region, leading to light winds, clear skies, and stagnant air.
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