Poor air quality isn't always obvious, but it's a serious health issue affecting both our indoor and outdoor environment ...

The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

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

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

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

On Tuesday at 12:56 p.m. the National Weather Service issued an air stagnation advisory in effect until Friday at 4 a.m. for ...

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

Fresh air has been a distant memory for Dundalk residents after a recycling plant went up in flames near their homes. "In my ...

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

Even with thick smoke coming from the Hughes Fire, skies have been clear in many areas, and the air quality forecast has been ...

All implementing agencies have been requested to maintain strict vigilance and intensify steps of the extant schedule of GRAP ...