The Inland Northwest is stuck under a ridge of high-pressure and will stay under this ridge for the next several days.

Researchers monitored indoor air quality in the buffet, gym, bar, restaurant, pub, theater and standard double occupancy ...

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

A ridge of high pressure will maintain stable conditions, supporting valley inversions, strong cold pools, haze, and ...

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

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

Southern California air quality monitors issued a dust and ash alert for all of Los Angeles County as strong Santa Ana winds ...

Air purifiers are a great tool for improving your indoor air quality. You could also invest in a sensor just so you know what ...

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

The hazardous air quality in Los Angeles is largely a result of smoke from the Pacific Palisades Fire, intensified by strong ...

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

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