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): ...

One possible reason for bad air quality in the city is a fire that broke out yesterday afternoon in Lancaster, Pennsylvania, ...

Concerns about hazardous chemicals burning at the site forced the evacuation of two schools and residents within a one-mile ...

Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.

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

"These fine particles when they get into the lungs, they can get stuck in the lungs for a while. So they can cause ...

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

On Wednesday at 3:18 p.m. an updated air quality alert was issued valid until Thursday at 6 p.m. The alert is for Ventura ...

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

The National Weather Service issued an air stagnation advisory at 9:59 a.m. on Friday in effect until Monday at 4 p.m. for ...