Cities Warn of Unhealthy Air as Canadian Wildfires Bring Smoke to Midwest, Northeast The Canadian wildfires have cast a dark shadow over the Midwest and Northeast, blanketing cities from Detroit to Boston in a toxic haze of smoke and particulate matter.
Philadelphia's "Code Purple Air Quality Emergency Day" is a stark reminder that climate change remains unresolved despite its immediate health effects.
With nearly 900 wildfires burning across Canada, the country's firefighting capabilities are stretched to the breaking point.