Dangerous Wildfire Smoke Continues to Blanket Parts of the U.S.
More than 800 Canadian wildfires are driving hazardous air quality across several U.S. states, and smoke is expected to linger through the weekend.
- Heavy smoke from hundreds of Canadian wildfires enveloped the U.S. from the Midwest to the Northeast on Thursday, with ten states reporting unhealthy air quality readings stretching from Minnesota to Maryland.
- Record-Breaking temperatures exceeding 100 degrees combined with extreme drought in Ontario and northern Minnesota on July 13 sparked rapid wildfire spread, with 858 fires burning across Canada by Thursday morning, including 111 out of control.
- Detroit recorded the worst air quality of any city globally on Thursday with a pollutant index of 600—twice the EPA's hazardous level—while Minnesota's Iron Range registered 900 micrograms per cubic meter, triple the hazardous threshold.
- Minneapolis canceled outdoor events including a Creed concert Thursday and closed pools and golf courses, while New York City distributed free KN95 masks and cautioned vulnerable populations to remain indoors.
- Columbia University researcher Dan Westervelt said "The frequency and intensity of these wildfire smoke events are increasing," with per-person exposure to harmful smoke four times higher during 2020-2024 than 2006-2019, per Climate Central.
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31 Articles
Wildfire smoke from Canada and Minnesota pushes farther into the U.S.
Air quality warnings are expected to remain in effect at least through Saturday in parts of the U.S.
Smoke heavily impacting Great Lakes tribes, Indigenous communities
Canadian wildfires have sent smoke billowing across tribal and Indigenous communities in Minnesota, Michigan, Wisconsin and part of New York, triggering dangerously high air-quality alerts.
Dangerous and historic wildfire smoke pollution event engulfs the U.S. and Canada » Yale Climate Connections
Most of the fires grew out of control under extreme heat conditions made up to five times more likely by climate change. The post Dangerous and historic wildfire smoke pollution event engulfs the U.S. and Canada appeared first on Yale Climate Connections.
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