Air quality in Montana and other northern states was classified as 'fair to poor' on Wednesday, and conditions are expected to last through the weekend.
have spread across social media since the fires started. Despite firefighters' best efforts, more than ninety wildfires still burn in northwestern Canada, further exacerbating the air quality issues in certain northern states. States with the worst air quality as of Wednesday included Montana, North Dakota and northern Wyoming.
The sun is shrouded as it sets behind Hudson Yards as smoke from forest fires in Alberta, Canada drifts into the northeast of the U.S seen from the Empire State Building on May 9, 2023, in New York City. Air quality in northern U.S. states like Montana was deemed"fair to poor" on Wednesday as smoke entered the atmosphere.
Erickson advised people with respiratory illnesses to stay inside in areas where smoke threatens air quality. "When it gets to those levels here and especially when people have existing respiratory problems, it is not healthy for sensitive groups," Erickson told, suggesting that people with asthma and other respiratory illnesses reduce their time outdoors.Smoke hanging lower in the atmosphere worsens the air quality, whereas smoke higher in the atmosphere usually doesn't impact air quality for respiration but can produce hazy skies that cause vibrant sunsets.
Smoke billows from a still-smoldering fire outside of Drayton Valley, Alberta, Canada, on May 8, 2023. The smoke is beginning to impact air quality in some U.S. states.As of Wednesday, many of Alberta's wildfires were deemed out of control. Erickson said the fires were unlikely to see vast improvement until dry, warm weather conditions lessened in the area. The United States will continue to see impacts from the smoke as long as the conditions persist.
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