As wind and fire conditions change rapidly, zoom in and out on the interactive map ... the California Air Resources Board explains. The best way to protect yourself from poor air quality is ...

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

Get top local stories in Southern California delivered ... to be detected by air quality instrumentation,” they may not be reflected in the Air Quality Index (AQI) map. “However, they are ...

A live map from AirNow showed that, as of 10:42 a.m. ET, air quality considered unhealthy for sensitive groups was detected in parts of California, Oregon, and Idaho, while "unhealthy" air was ...