Full Coverage
US air quality map shows cities plagued by Canadian wildfire smoke
By Jeanine Santucci
Top news
Michigan air quality impacted by smoke and fires this week
Heatwave causes Texas deaths, tests power grid and swelters the South
By Kate Selig, Dan Stillman & Erica Werner
Why is it smoky in Chicago? What to know about the haze, ‘very unhealthy' air quality across the area
More than a third of the US population, from the Midwest to the East Coast, under air quality alerts from Canadian wildfire smoke
By Nouran Salahieh, Lauren Mascarenhas & Joe Sutton
All coverage
Unhealthy Air Lingers in New York, Chicago
By Brian K. Sullivan
Canadian wildfire smoke affects Detroit, Chicago, other parts of the US
By Mike Householder & Corey Williams
Chicago's air quality currently worst in world
By Albert Ramon, Elyssa Kaufman & Ed Curran
Hazy skies strike again: Iowa sees air quality advisory as Canadian wildfire smoke returns
By Victoria Reyna-rodriguez
Detroit air quality alert extended through Thursday with more wildfire smoke expected
By Frank Witsil
Air quality alert for St. Louis from Canadian wildfire smoke
By Angela Hutti & Chris Higgins
Why it is hazy in Wisconsin and what to know about air quality alerts
By Beck Andrew Salgado
Air Quality Plunges Due To Wildfire Smoke
By Chris Dolce, Jonathan Erdman & Sean Breslin
Wildfire smoke live updates: Detroit, Chicago and the Midwest blanketed by haze from Canada
By Rachel Treisman
Chicago Has The Worst Air Quality In The World Right Now. Here's How To Protect Yourself
By Quinn Myers
Chicago's air quality worst in the world, global index shows
By Vivian La, Nell Salzman & Laura RodrÃguez Presa
Wildfire smoke updates: CDC issues health alert on wildfire smoke exposure
By Max Golembo, Melissa Griffin & Meredith Deliso
Chicago, Detroit have some of the world's worst air quality due to Canadian wildfire smoke
By Emilee Speck
Wildfire smoke map: Which US cities are forecast to be impacted by fires burning in Canada
By Julia Jacobo
Chicago air quality at unhealthy levels due to Canadian wildfires smoke; Alerts in effect in Illinois, Indiana, Wisconsin
By Liz Nagy & Karen Jordan
Canadian wildfire smoke: Poor air quality, haze hits East Coast
By Brianna Sacks, Dan Stillman & Amanda Coletta
Report: Detroit has world's worst air quality amid drifting Canadian wildfire smoke
By Jakkar Aimery & Mark Hicks
Air quality updates: 3 cities among worst; when will it recede?
By Trevor Hughes, Doyle Rice & Jeanine Santucci
Chicago and Detroit have the worst air quality in the world due to Canadian wildfires. Here's how to stay safe.
By Thao Nguyen & Jeanine Santucci