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

After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

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

Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels, provide a rough sense of the ...

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

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.

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, ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

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

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