Wildfire smoke map: Track ‘hazardous’ haze as it spreads across US from Canada
David Zimmermann
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High levels of air pollution caused by over 400 wildfires in Canada continue to blanket the Northeast and Mid-Atlantic regions.
Traveling south from Canada, the smoke has covered more than half the United States with a layer of smoke, putting roughly 90 million people under air quality alerts. The low air quality affected major American cities, including New York City, Washington, D.C., Philadelphia, Detroit, and Jersey City.
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As smoke continues to drift south, Washington, D.C., has seen slight improvements in its air quality, though it was still considered to be “unhealthy” on Friday morning.
The “code orange” air quality alert indicates being outside is unhealthy for “sensitive” groups, including people children, people who have asthma, heart disease, lung disease, or older people.
Hazy conditions improved from the more-serious “code purple” designation that was in effect on Thursday, indicating the air was unhealthy for all groups.
The smoke is expected to clear out over the weekend.