Questions are answered by experts at the Oregon Health Authority, other state agencies or community partners. Questions and answers are republished by permission.

A series of live maps from Windy.com highlighted which parts of the U.S. were experiencing elevated levels of air pollution on Friday. The maps showed data for multiple types of pollutant, including ...

Falling vaccination rates could lead to the return of previously eliminated diseases, and many more people will be at risk of ...

The number of measles cases in the United States has surpassed 2019's wave of infections, according to Centers for Disease ...

A newly released pesticide usage map paints a troubling picture of chemical reliance in the United States. This data-rich ...