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Wildfire smoke map: These are the US cities, states with air quality being affected by Canadian fires
By Mary Kekatos
Biggest smoke plume yet from Canadian wildfires to blanket 23 states today as Code Orange warnings issued for
By Sophie Mann
Air Quality Worsens Again as Canada Wildfires Smoke Returns to U.S.
By Christine Hauser & Claire Moses
Canadian wildfire smoke puts around 70 million US residents under air quality alerts
By Caitlin Kaiser
U.S. air quality alerts, smoke returns as Canadian wildfires continue - The Washington Post
By Ian Livingston & Annabelle Timsit
Canadian wildfire smoke is back: How will air quality be affected
By Adrianna Rodriguez