Smoke from Canadian wildfires brings unhealthy air to large swaths of the Midwest
- Massive wildfires burning across Canada have sent thick smoke into the U.S. Midwest, triggering air quality alerts in several states this week.
- Persistent northerly winds are transporting the smoke from wildfires in Manitoba and Saskatchewan into Minnesota and neighboring states, while a high-pressure system limits smoke dispersion.
- Air quality alerts now cover Wisconsin, Minnesota, Michigan, Iowa, Illinois, and parts of Nebraska and Missouri, with cities like Minneapolis, Chicago, and Detroit ranking among the worst worldwide for air pollution.
- The smoke contains high concentrations of PM2.5 particles that can penetrate deep lungs and worsen heart and respiratory conditions, prompting officials to advise sensitive people to stay indoors and avoid strenuous activity.
- Officials advise people in impacted regions to follow safety guidelines, limit time spent outdoors, and stay informed through ongoing updates, as poor air quality is anticipated to persist throughout the weekend with the possibility of additional warnings.
140 Articles
140 Articles
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Despite a lingering haze and poor air quality from Canadian wildfire smoke, Lollapalooza's 21st year in Grant Park went off more or less without a hitch, at least according to many fans who braved the conditions and crowds to hear some of pop music's biggest stars.As chart toppers started to take the stage on the first day of the fest, Chicago topped the list for the worst air quality in the world for a few hours, and the air remained unhealthy …

Canada wildfires worsen air quality across Midwest, Northeast US
By Brian K. Sullivan, Bloomberg News Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern U.S., sending air quality across the Midwest and northeast U.S. and Toronto to unhealthy levels. Air quality deteriorated to moderate in Chicago early Sunday with some areas deemed unhealthy for sensitive groups, and to unhealthy in Milwaukee and downtown Toronto, Canada’s largest city, according to AirNow.g…
Canada wildfires cause poor air quality in the midwest and northeast U.S.
Hazy skies hung over parts of the midwest and northeastern U.S. on Sunday, caused by smoke drifting across the border from hundreds of wildfires in Canada.Canada is experiencing its second worst wildfire season on record, according to government data, with almost 4,000 fires recorded already this calendar year.Smoke coming across the border has affected air quality in several U.S. states. This weekend, air quality reached concerning levels acros…
Air Quality Emergency in multiple US states: Canadian wildfires prompt warnings in Vermont, New York, and more states
Smoke from Canadian wildfires has triggered air quality alerts across several US states, including Vermont, New York, Wisconsin, Michigan, New Hampshire, Maine, and Illinois. Officials report fine particulate levels reaching unhealthy or unhealthy for sensitive groups.
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