Long-term exposure, however, can put some at risk for chronic diseases or conditions. In fact, there is a strong correlation ...

Air quality in some parts of the United States is worsening as smoke from dozens of wildfires in Canada travels south, pushed ...

Health officials advise residents, particularly children, seniors, and those with asthma or heart disease, to stay indoors, limit exertion, and avoid opening windows. Running air conditioners with ...

Smoke from wildfires in Canada is making it harder to breathe in Ohio and several other states. Here's how long it will last ...