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Canadian wildfire smoke continues to make air difficult to breathe in the Upper MidwestAugust 11, 2025 -
Unhealthy smoke from Canadian wildfires blankets the Upper Midwest when people want to be outsideJuly 15, 2025 -
Air quality is improving in some metro areas, but worsening in the Midwest and California, per EPA dataJanuary 28, 2025 -
The skies are hazy with wildfire smoke again: a guide to when to stay insideJuly 30, 2024 -
Here's where wildfire smoke is spreading in the US againJuly 29, 2024 -
Canadian wildfire smoke could once again impact Chicago area, Illinois EPA saysMay 14, 2024 -
Canadian wildfire smoke chokes Upper Midwest for second straight yearMay 14, 2024 -
More than one-third of Americans routinely breathe in unhealthy airApril 25, 2024 -
Air quality alert once again issued due to Canadian wildfire smoke: Who's at risk?July 25, 2023 -
Air Quality Alert still in effect: When will Canadian wildfire smoke subside?July 17, 2023