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

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

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

Government measures fall short, experts say, as air quality index (AQI) readings become more hazardous in Thai capital.

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

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

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the ...

Unlike typical wildfires, smoke from the L.A. fires — consisting of toxic materials from burned down homes, cars, and more — ...

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

Recent data from the Environmental Protection Agency shows air quality in certain regions of the U.S. is deteriorating, ...