State area, leading to an air-quality alert that has been extended through the weekend."Air quality is unhealthy for sensitive groups, including older adults, children, and people with heart or lung ...

New York City’s air quality has dropped to unhealthy levels for sensitive groups as smoke from Canadian wildfires drifts into ...

An air quality health advisory is in place until midnight due to elevated levels of fine particulate matter, city officials ...

Due to smoke from Canadian wildfires, the air quality index over much of eastern Pennsylvania was in the “orange” range Sunday morning, meaning it’s unhealthy for sensitive ...

Due to smoke from Canadian wildfires, the air quality index over much of eastern Pennsylvania was in the "orange" range Sunday morning, meaning it's unhealthy for sensitive groups.

Officials are urging residents to take precautions as wildfire smoke and extreme heat bring poor air quality and health risks ...

Officials are urging residents to take precautions as wildfire smoke and extreme heat bring poor air quality and health risks ...