Canadian wildfire smoke impacts air quality across the US
Story essentials
Canadian Interagency Forest Fire Center, US government agencies
North America (Canada and US)
July 16, 2026
This page is produced by collecting and structuring multiple public reports. Sections based only on reporting or testimony affect the displayed assessment, and the page is updated when new information is identified.
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COMPAMIR Editorial Team
The COMPAMIR editorial team brings together public reporting and links to the original coverage. We update the page as new information emerges.
Read our editorial policy- Earlier version 37/17/2026, 8:30:27 PM
Canadian wildfire smoke is affecting 109 million people in the US. Major cities including Chicago, Detroit, and Washington DC report hazardous air quality levels. Nearly 6 million acres have burned in Canada, with 194 active fires reported. Approaching storm systems may temporarily worsen conditions before providing relief.
- Earlier version 27/17/2026, 7:20:36 PM
- Earlier version 17/17/2026, 5:50:29 PM
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