More Canadian wildfire smoke shrouds US midwest, mid-Atlantic and north-east
Smoke from Canadian wildfires is causing hazardous air quality across the US Midwest, mid-Atlantic, and Northeast. Over 100 million people are affected, with officials advising residents to stay indoors and use high-quality air filtration.
Why it matters
Widespread air pollution from wildfires is becoming a recurring public health crisis linked to climate change.
The Empire State Building and the New York City skyline, seen through a layer of wildfire smoke, as viewed from Hoboken, New Jersey, on 17 July 2026. The Empire State Building and the New York City skyline, seen through a layer of wildfire smoke, as viewed from Hoboken, New Jersey, on 17 July 2026. US news More Canadian wildfire smoke shrouds US midwest, mid-Atlantic and north-east 109 million people face another day of poor air quality as smoke from blazes in Ontario drifts over the US
The report focuses on environmental data and public health warnings provided by government agencies.
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