University of Utah researchers believe inflammation starts a months-long process that increases risk of aneurysm rupture.

Smoke from the Green Fire and other wildfires burning in and near Shasta County are polluting the air over the North State.

Air quality officials have warned that the smoke that is causing "very unhealthy" conditions.

A new real-time monitoring system captures minute-by-minute changes in toxic metals resulting from traffic pollution.

New data reveals alarming disparities in New Haven’s air quality, with low-income neighborhoods facing the worst pollution ...

The combined effects of climate change and air pollution have led to direct declines in precipitation in the U.S. Southwest, ...