Maricopa County disputes ADEQ's PM2.5 nonattainment area designation, citing its economic and regulatory impact.

Here's what Irish researchers learned about the impact of retrofitting on indoor air quality and how our behaviour plays a ...

The Idaho Department of Environmental Quality (DEQ) is concerned the rising temperatures of Lake Coeur d'Alene could result ...

The Arizona Department of Environmental Quality air quality permit was issued for Copper World, an open-pit mine complex that ...

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

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

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

An air quality alert was issued on Tuesday at 5:03 a.m. for Josephine County.

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

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

SMART indoor environmental quality monitoring and management startup uHoo has raised US$3.7 million in a mix of equity and debt funding. Read more at The Business Times.

La PINE, Ore. (KTVZ) —The Oregon Department of Environmental Quality issued an air quality advisory for La Pine Tuesday due to stagnant air conditions trapping smoke and other air pollutants ...