Weather conditions are trapping smoke and other air pollutants near the ground where people breathe, officials said.

A legislative push is underway to delay the implementation of Oregon's Advanced Clean Truck regulations that aim to reduce ...

Oregon DEQ issues air quality advisory for several counties due to air stagnation trapping smoke and pollutants.

The Oregon Department of Environmental Quality issued an air quality advisory for Eastern Lane, Eastern Linn, Eastern Marion, ...

The Kimballton Plant, which processes limestone, was fined by the Department of Environmental Quality for failure to monitor ...