Winds blowing north to south will likely push wildfire smoke into Midwestern states on Thursday and Friday. Northern Minnesota is at the highest risk for poor air quality Thursday, before a more expansive smoke plume moves southward Friday — with Milwaukee, Chicago and Detroit all potentially seeing a reduction in air quality and/or visibility in the afternoon and evening.

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At the very end, they remind us:

A study published last year found that the frequency and magnitude of extreme wildfires around the globe had doubled since 2003 due to climate change.

The study is here