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

As wind and fire conditions change rapidly, zoom in and out on the interactive map below to see where air quality is worst around Southern California. You can also open the map in a new window here.

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

Wondering what the air quality is like in your neighborhood? This interactive map gives you up-to-the-minute ... overcast skies, and heat can trap smog and worsen conditions.

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 ...

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the general public may experience health effects and members of sensitive ...

South Coast AQMD—the air pollution control agency for all of Orange County and the urban portions of Los Angeles, Riverside and San Bernardino counties—covers an area of 10,743 square miles that is ...