Wildfire Smoke Blankets U.S. Cities, Raising Concerns for Air Quality

Unhealthy air quality caused by smoke from Canadian wildfires has enveloped cities in the Midwest, including Chicago, Cleveland, and Detroit, forcing residents to stay indoors and prompting event cancellations. The smoky air is also threatening the Northeast and Mid-Atlantic regions. Climate change is exacerbating wildfires and their impact on air quality. The hazardous conditions are affecting vulnerable populations, such as older people, children, and those with health conditions. Officials are urging residents to take precautions and reduce outdoor activities.