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Canadian wildfire smoke continues to make air difficult to breathe in the Upper MidwestAugust 11, 2025
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Unhealthy smoke from Canadian wildfires blankets the Upper Midwest when people want to be outsideJuly 15, 2025
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Canadian wildfire smoke will affect Pittsburgh air this weekendMay 30, 2025
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Pittsburgh air quality gets another 'F' gradeApril 23, 2025
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Air quality is improving in some metro areas, but worsening in the Midwest and California, per EPA dataJanuary 28, 2025
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High heat forcing schools to adjust, causing smelly airAugust 28, 2024
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The skies are hazy with wildfire smoke again: a guide to when to stay insideJuly 30, 2024
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Here's where wildfire smoke is spreading in the US againJuly 29, 2024
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Canadian wildfire smoke chokes Upper Midwest for second straight yearMay 14, 2024
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More than one-third of Americans routinely breathe in unhealthy airApril 25, 2024