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.

University of Utah Health researchers have linked particulate matter (PM2.5) air pollution with aneurysmal subarachnoid ...

"Reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and use of residential wood ...

The devices, which also measure air temperature and humidity, are located at Bard near Red Hook, Mount Saint Mary College in Newburgh, the Andy Murphy Neighborhood Center in Kingston and the roof of ...