Firefighting crews from Northern California and Arizona have been deployed to assist with the trio of devastating wildfires currently raging in Southern California.

With three massive fires continuing to rage in Southern California, crews from both Arizona and Northern California have been deployed to assist with the ongoing firefights. Mike Rogers reports.

As fire crews battle major blazes in the Los Angeles area, Northern California remains largely free of wildfire risk thanks to a stark contrast in weather patterns.

As wildfires blaze across California, here is how inhaling smoke could affect your health, from itchy eyes to dementia risk.

Southern California — with sprawling cities, clogged freeways and heavy industry — is already notorious for some of the worst air quality in the nation. This week's wildfires are putting millions of people at risk for immediate health problems and longer term issues.