Air quality alerts have been issued for millions of Americans from Minnesota to New York as smoke from wildfires in Canada spreads across the United States. Authorities are advising residents to stay indoors due to unhealthy air conditions expected this week. The smoke originates from over 180 active wildfires in northern Ontario, which has led to Chicago having the worst air quality in the world on Thursday evening, followed by Detroit and Minneapolis, according to IQAir's global rankings.
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Air quality alerts issued in over 20 US states due to Canadian wildfire smoke
Air quality alerts are in effect across more than 20 US states as smoke from Canadian wildfires impacts air conditions. Authorities recommend that residents stay indoors, with cities like Chicago reporting the worst air quality globally.
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Air quality plummets in 20 US states as smoke from Canadian wildfires spreads
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Air quality alerts issued in over 20 US states due to Canadian wildfire smoke